Calculate who will be born based on blood renewal. Other methods for finding out the sex of a child. Is there tabular data for determining the sex of a baby by blood?

With the onset of pregnancy, future parents become interested in who will be born - a son or a daughter. Even if it doesn’t matter who it is, curiosity will still remain.

There are many points of view regarding how to determine the gender of the unborn child. Some of them are used both before conception to plan the desired gender, and in the very early stages of pregnancy. Others inform parents about who will be born at a later date.

How does conception occur based on gender?

Male sperm contains sperm X and Y. They are responsible for the sex of the future person. At the moment of conception, a female cell merges with one of these sperm. If fertilization occurs with the X chromosome, then there will be a girl, if Y - a boy. There is only one type of female cell - X. It follows that the birth of a boy is completely dependent on the man. If two or more female cells participated in the fertilization process, then there will be several fruits.

X-sperm are tenacious, powerful, but slow. Y-sperm, on the contrary, are weaker, live less, but move faster.

Conception occurs on the day of ovulation. The conception of a girl is more likely if sexual intercourse was several days before ovulation. This can be explained by the fact that U’s sperm will die by the time of ovulation. If sexual intercourse took place on the day of ovulation, sperm with the Y chromosome will reach their goal faster than their slower “friends”.

Tables and calculators for determining the sex of a child

Nowadays, it is popular to determine the gender of the expected baby using special tables and calculators. They show what gender the child is most likely to be born. These include the following:

Forecast by date of conception - with calculator

For this method, you will need the dates of your last menstrual period and conception. The data is entered into the calculator and the result is ready. The difficulty is that not every expectant mother knows when conception occurred. Because this date is not considered the day of sexual intercourse, but the day of ovulation. Based on the day of ovulation, as mentioned above, it is possible with a predominant degree of probability (but of course not 100%), to determine the gender of the desired child.

Forecast based on parents' blood type

This method is much simpler. In the table, at the intersection of the data of the mother and father, you can see who will be born - a boy or a girl. In the same way, prediction is made based on the Rh factor of the parents. Based on blood type, the result is usually more accurate than based on the Rh factor.

Forecast for blood renewal

In all people, the blood is regularly “cleansed”. In women this happens every three years, in men every four years. Whoever has more “fresh” blood will have a child of that gender. If one of the parents had blood loss (surgeries, transfusions), then the countdown should begin from this date. Otherwise, the result may be false. You can make the calculation yourself. Mom's age is divided into three, father's - into four. Whoever has the larger balance will have a child of that gender.

Forecast according to the Japanese table - with a calculator

In Japan, tables have been developed to fill out which you need to know the month of conception and the month of birth of the father and mother. In one table, at the intersection of the months of birth of the father and mother, a number is determined. It needs to be found in the top row of another table. Under this number, vertically, the month of conception of the child is selected. Opposite this month, there are crosses in the “boy” and “girl” columns. The child will be of the gender where their number is greater. This method is also called forecast by date of birth.
[Calculator under development]

Forecast according to the ancient Chinese table

This simple method was developed back in the 14th century AD. All that is required is to know the mother's age and the month of conception. At the intersection of these data in a special table, you can see who will be born. The peculiarity is that the Chinese consider their age from the moment of conception. That is, 9 months are added to the date of birth. Therefore, when using this table, it would be correct to do the same - add nine months to the mother’s age.

All these methods are not medical, and therefore, they may not give a 100% correct answer. They can also be used before conception if there is a need to increase the likelihood of having a child of a particular gender.

Determining the gender of a child using medicine

Parents who do not want to rely on tables are interested in how long it is possible to determine the sex of the child more accurately. This depends on the diagnostic method that will be chosen.

Read also: What should a nursing mother eat in the first month?

There are several medical methods. The most common is ultrasound examination. Modern ultrasound machines can determine gender from 12 weeks. However, the most correct result will be after the 20th week of pregnancy. A difficulty arises if the baby does not show his genitals, turning his back to the sensor or covering them with his arms.

There are also a number of tests to determine the baby’s gender without an ultrasound.

In modern conditions, a gender test is carried out. The reagent in it is combined with the mother’s urine. If the control strip turns orange, a girl will be born; if it turns green, a boy will be born. This test is carried out from the eighth week. The probability of a correct result is 90%.

Sometimes, the appearance of a child of a certain gender is undesirable due to genetic diseases in the family along the male or female line. In this case, at 7-10 weeks a chorionic villus biopsy is performed, during which a special needle is inserted into the uterus through the mother’s abdomen. The probability of a correct result is 100%. Just out of curiosity, it is not worth carrying out, since sometimes it leads to termination of pregnancy.

Another popular but expensive method is a blood test. It is used to determine the level of fetal DNA. You can take it from the 7th week. But it is better to carry it out at a later date - the result will be more accurate. Blood is taken from a vein. It is not necessary to take it on an empty stomach. If the test result shows the presence of a Y chromosome, then a boy will be born; if not, a girl will be born.

The influence of parental nutrition on the gender of the unborn baby

The gender of the child is influenced by the diet of the parents before conception. All food products are divided into two groups - for conceiving a son and for conceiving a daughter. If pregnancy has already occurred, then remembering what the expectant mother ate before conception, we can guess who will be born. If there is no pregnancy, then several months before conception, you can change your diet to give birth to a child of the desired sex.

To attract female sperm to the egg, the diet must include calcium and magnesium. The main products are:

• dairy products;
• eggs;
• a large number of sweets;
• bread and pastries, with a little salt and, preferably, without yeast;
• raw and cooked vegetables (preferably green);
• nuts, pumpkin seeds, sesame;
• fruits and berries.

Salt in the diet should be present in minimal quantities, as it does not allow calcium to be fully absorbed. In addition, it contains sodium, which repels X chromosomes and attracts Y chromosomes.

To attract male sperm, your diet should be high in sodium and potassium. Preference should be given to such products as:

1. meat (in large quantities);
2. fish, including salted fish;
3. smoked meats;
4. dates, dried apricots, prunes, raisins;
5. potatoes, eggplants, tomatoes, mushrooms;
6. bananas, peaches, melons.

Parents' diet is not a panacea. Therefore, misfires can happen in this case too.

There are many ways to calculate the sex of a child. These are the ancient Chinese calendar and Japanese tables. One of the newest is a method for renewing the blood of parents. An online table will help make the calculations easier, where you can enter the birth data of your parents, and it will give the required result.

By blood renewal

By date of birth

How does the method work?

In the scientific world there is a theory that after a certain period a person’s blood is completely renewed. This period differs for men and women. Thus, in the fair sex, renewal occurs once every three years, and in the stronger sex - once every four years.

The sex of the child is determined by the sex of the parent whose blood is younger at the time of conception. You can find out using your date of birth. Determining sex by parental blood can be done manually, but you can use an online calculator that makes the calculations much easier.

How does the calculator work? First, you need to enter the birth dates of your parents in the lines provided. Then the calculator itself will determine the period when the last blood renewal took place in both parents and will give the result - the gender of the child.

To determine gender based on the blood of the parents, it is necessary to know the date of conception. Remember that it is determined not by the first delay of menstruation, but by the day of ovulation, i.e. 2 weeks before the start of your expected period. If you already know about pregnancy, but are in doubt about the day of conception, you can consult a gynecologist or wait for the first ultrasound. Then you will know exactly the date when fertilization occurred.

The method of determining the sex of a child based on the blood type of the parents was known back in Ancient China. Modern scientists have updated it, adapted it to modern reality, and now future parents can use it to satisfy their curiosity.

Can there be exceptions?

Like any rule, the method of determining the sex of a child by renewing the blood of the parents has its exceptions. These are situations where heavy blood loss has occurred. In this case, most of the blood is renewed, and the countdown begins from this moment.

What situations can lead to large blood loss?

1. surgical operations;
2. uterine bleeding in women associated with miscarriage, abortion or pathology;
3. providing your own blood as a donor;
4. blood transfusion;
5. accidents, injuries, as a result of which a lot of blood was lost.

How reliable is the method?

A calculator or table for determining the sex of a child by blood renewal does not give 100% results. This must be taken into account if you want to find out the gender of the baby.

Sometimes it happens that parents do not remember the date of the operation or blood donation. In this case, the calculations become more complicated, and the result produced by the calculator or table is questionable.

A calendar or table for determining the sex of a child by blood renewal has received conflicting reviews.

On the one hand, it is very easy to calculate. To obtain the result, you do not need to know any exceptional data or rely on the calendar of another country, for example, as in the Chinese table. On the other hand, no one can say exactly when the last major blood renewal occurred. The woman may have had heavy periods or other gynecological reasons, as a result of which she lost a large amount of blood. Then the calculator stops working 100%.

To reliably find out who will be born, you need to connect all possible methods: the parents’ blood type, Chinese and Japanese tables (online calculator), ultrasound results. Then you will have the opportunity to compare the results of this test and find out the likelihood of having a boy or a girl.

Also, think about how important it is for you to know the gender of your baby before birth. If we are talking about the hereditary transmission of any diseases exclusively through the male or female line, then one online calculator will clearly not be enough. Complex medical research and calculations will be required that will provide indications for maintaining or terminating the pregnancy. If you are just planning a child, and its gender is important to you, contact specialists and use several methods.

In case of ordinary curiosity, treat the method of determining the sex of a baby by blood renewal as a fortune-telling, the result of which the calculator does not always give reliably. Use other means to help. If in reality everything happens differently, it will not be a disappointment for you. You will accept the baby as he is.

Expecting a child is always considered a happy event; new sensations and emotions appear in a woman’s life. The news of an imminent replenishment evokes a lot of different feelings; one of the main worries for many parents is related to the gender of the unborn child. It is so inherent in nature that it is impossible to immediately find out this information. For this reason, there are many methods, technologies, tables and signs designed to calculate the sex of a child. After all, one of the first questions that acquaintances and friends ask a pregnant woman is: “Who are you expecting – a boy or a girl?”

Online calculator for calculating the sex of a child

Today there is a popular method of determination - ultrasound. But this method shows reliable data only from the second trimester and only on high-quality equipment. An old device sometimes reflects inaccurate information, and the doctor’s experience must also be taken into account.

You can use folk signs, for example, using a ring over the stomach. Sometimes a woman relies only on her feelings, knowing for sure that she will have a daughter or son. But signs and one’s own intuition are not always reliable. You cannot rely on them to determine the sex of the baby.

What does our site offer? We can have a baby using a universal calculator for calculating the gender of the child. Why is it so unique? Using it, you can calculate the gender of the child and determine the likelihood of having a boy or a girl.

The calculator has collected several popular methods; gender calculation is based on technologies that are the most well-known and have already proven themselves among women.

How to use the baby gender calculator

For an accurate forecast, you need to enter the month in which conception occurred and enter the birth dates of the father and mother. And, importantly, the blood type of the parents is entered into the columns of the online calculator.

After this, the forecast result is displayed on the screen. If all methods showed the same information, then the probability of having a boy or girl is 100%. If the results of the methods differ, the percentage probability of sex is reported. For example, 75% - a boy will be born or 50% - a little princess may appear in the family.

Important: on our website you can check information about the future field for each specific technique individually.

Calculator efficiency

Calculation of gender using a calculator is trusted by people whose calculations matched, and it turned out to be a 100% hit. Some women had a vague result, but it is worth taking into account the small statistical error in the calculations.

Whether or not to trust the method is up to everyone to decide for themselves. The influence of a genetic factor on the formation of sex cannot be ruled out. Thus, deviations in the health and genetic information of one of the parents can affect the gender of the little person. There are families in which only boys are born or, conversely, only girls are born to a couple. Surely everyone is familiar with such examples.

It is understandable that parents want to quickly find out the sex of the baby; sometimes women are interested in this question already at the first ultrasound at 12 weeks. But sometimes there is no need to rush into discovery; in some cases, it is better to focus on pregnancy in order to give birth to a healthy baby. Treat your unborn child with love; an important event will soon happen in his and his parent’s life - birth. The calculator on our website predicts the result; treat calculations as a game and entertainment during pregnancy.

Good afternoon, dear readers! Would you like to know exactly the gender of your unborn child and even plan your pregnancy by “ordering” a son or daughter? Are there reliable methods of prediction in such a delicate area and how to find out the sex of a child without an ultrasound?

It turns out that such methods exist, some of them are quite ancient, others are based on modern scientific data. Let's get acquainted with the main methods of calculation.

How to find out the gender of a child: basic methods

Many parents are not averse to calculating the gender of the child in advance. someone already has, say, two daughters and really wants to have a successor to the family name. Others have more complicated problems: there are, say, a number of diseases that are transmitted only through the male or exclusively through the female line. Here the baby’s life itself, or at least his health, will be tied to his gender.

Boy or girl, how do you know? This question is often asked by expectant mothers and fathers. What does science say about this? One thing is certain: sex chromosomes are responsible for the birth of a son or daughter.

Women have two identical X chromosomes, while men have an unpaired set: an X and a Y chromosome. It is clear that the pregnancy calendar depends on the combination of these combinations: it is easy to calculate the sex of the child, knowing the initial data of the connecting chromosomes of a man and a woman.

In theory it is clear. But in practice, how can one understand which of the male chromosomes will come into contact with the female one and, accordingly, is it possible to conduct some kind of test for the gender of the child or is everything decided by chance, fate?

There are many different methods, including pseudoscientific ones, and there are so-called folk signs and recommendations, sometimes very funny. For example, the ancient Germans advised how to find out the gender of the unborn child: you just need to set it in accordance with the weather.

In rainy weather, girls are most often conceived, and boys are born after a night of love in clear weather. The ancient Chinese were sure that in order to give birth to an heir, a woman had to be placed in bed with her head facing north on the night of intercourse; accordingly, in a position with her head facing south, the result would be a girl.

• According to the ovulation algorithm;
• According to Japanese and Chinese tables;
• For blood renewal;
• Gender of the child based on the date of birth of the parents;
• According to the prevailing diet;
• According to the lunar calendar, etc.

Gender of the child by date of conception and age of mother: ancient Chinese calendar

In a number of calculations, the same criterion is present, which is quite logical, because one of the main fateful factors really becomes the moment of merging of the masculine and feminine principles. Therefore, several methods determine the sex of a child based on the date of conception, although each uses this element in its own way, in combination with other initial data.

For example, in a very ancient Chinese table, the link is made to the age of the mother. Historians claim that the original document was discovered in the catacombs, where it was kept for as long as 700 years. But there is one caveat: the mother’s age is needed not at the moment of conception, but at the expected date of birth. That is, 9 months of gestation must be added to the day of pregnancy.

This is a very simple table: we find out whether it’s a boy or a girl using just two numbers: the month the baby was conceived and the mother’s age at the time of future birth. At the intersection of the corresponding rows of the table we will see the required letter: M or D.

How to find out the gender of a child using a Japanese table

The Japanese calculation algorithm is a little more complicated. Here you will need two interdependent tablets and three numbers (months of birth of both parents and conception).

How to find out the gender of a child using tables in this format? The first table encodes the months of birth of the baby's father and mother. At the intersection of these two inputs there is some kind of number. We remember it (write it down) and look for it in the “heading” of the columns of the second table. In this column, select the line with the month the baby was conceived. Opposite this date, we look at the results of predictions for the gender of the unborn child.

Example:

The expectant mother was born in May, and the expectant father in September. The child was conceived in December. To determine the gender of the unborn child, we look in the first table for the number at the intersection of May horizontally and September vertically. This is number 9.

We find the number 9 in the top first row horizontally. This is our desired column. In this column we are looking for the month of conception of the unborn child - December. Opposite December there are many crosses in the “boy” column. This means that according to the Japanese table for determining the sex of a child, a boy should be born. And if the child was conceived in May, then most likely it would be a girl.

The Japanese do not give guarantees; their table gives a probabilistic forecast, that is, it shows how great the chances of having a son or daughter are. In this original calendar, a girl or a boy is indicated by several crosses. The more of these icons, the more likely it is that a baby of this gender will be conceived in a given month.

How to determine the sex of the unborn child using the ovulation schedule

The most reliable way to determine the sex of an unborn child was proposed by the Polish doctor F. Benedo; there are similar calculations from French scientists. It is believed that the accuracy of such forecasts is up to 80 percent.

As we already know, it all depends on which of the male chromosomes will connect with the female chromosome - X or Y. In the first case, the code will be XX, that is, a girl will be born. In the second, with set XY, the newborn will be a boy. But still, how can we find out who will be born, what combination of chromosomes will turn out in our particular case?

The different behavior of male sperm helps in the calculations. The one with the X chromosome is larger in size, but it is slow and can remain in the female body for a long time, up to 5 days, waiting for an egg. And the sperm carrying the Y chromosome dies quickly, within a day or two. They are small, weak, although quite nimble.

Who will be born: a girl or a boy, depends on which one manages to merge with the female egg. To give birth to a boy, fertilization must occur a day before ovulation or even earlier. A girl will be conceived if intercourse occurs 3-5 days before ovulation.

All that remains is to calculate the date of ovulation. There are special pharmacy testers for this. Another option: measuring basal temperature. It increases slightly at the time of ovulation, by about half a degree. Finally, you can determine the sex of the child by the last period or menstrual cycle. A boy will appear if fertilization occurs 11–13 days before the next menstruation. Girl - with effective sexual intercourse 14–15 days before menstruation.

And one more little secret: if a woman has an orgasm, the chance of giving birth to a boy is higher. It is believed that deep orgasm promotes the survival of Y sperm.

Gender of the child by date of conception of the baby and mother

The theories of the Budyansky spouses are another way to calculate the sex of a child based on the date of conception of both the baby and his mother. The last figure is derived based on the woman’s birthday, 9 months are subtracted from this date and the desired moment is obtained.

According to the Budyansky theory, a significant role in the process of formation of the baby’s sex is played by the evenness or oddness of the mother’s menstrual cycle. From this we conclude how to find out the sex of a child by the date of conception. Only the emphasis in the calculations is on the date of birth. A woman with an odd cycle will give birth to a boy in an even month, and a girl in an odd month of the year. A mother who has an even menstrual cycle has every chance of giving birth to a son in an odd month of the year, and a daughter in an even month.

Determining the sex of the child by blood renewal

Finding out the sex of the child by blood renewal is the next common method. Numerous medical observations and studies undeniably show the frequency of blood renewal. For beautiful ladies, this happens once every three years. Men are more stable; their renewal process has a cycle of four years.

Determining the sex of a child by blood renewal is based on this interesting property. Whoever has fresher blood, the sex and the stronger at the time of conception, will have the same heir. You can also count periods from the date of birth of the parents, but you must keep in mind that cycles become disrupted after serious blood loss, for example, if there was some kind of operation, including abortion. Then this date will become the new starting point for the cycles.

How to calculate the sex of a child by blood renewal if both parents have blood of approximately the same quality at the time of conception, that is, the cycle coincided? It is in this case that the birth of twins is most likely! Statistics assure that the forecast using this system gives a 50% “hit”.

And even more interesting and more detailed about this method, watch the video:

How to determine the sex of the unborn child based on diet

If you are not convinced by the theory of how to calculate the sex of a child by blood renewal, or you think that a 50 percent chance is not enough, you can add “points” using a certain diet. The Dutch experimentally developed a diet that promotes the birth of a baby of a certain gender.

Everything is extremely simple: there is no need for complex combinations of numbers, factors, there is no need for such calculations, for example, how to find out the date of birth or in solving other “problems”. It’s just that for about three months both parents need to adhere to certain preferences in the daily menu. The percentage of success in forecasting using this principle is very high - from 70 to 80.

So, in order for an heir to be born to the stronger sex, you need to consume foods rich in proteins and fats, and even flavor them with salt. It is also important to have foods high in potassium and sodium in your diet. There are even special lists of products: the table will tell you who will be born based on the preferred set of dishes. To conceive a boy, experts advise eating meat and fish, seafood, vegetables (especially potatoes), cereals, beans, mushrooms, eggs, and baked goods.

Girls will need food with a predominant content of magnesium and calcium. Specifically, this is an abundance of dairy products, fruits, colored vegetables, nuts, chocolate, honey, and other sweets.

Other methods for finding out the sex of a child

We already know how to determine the sex of a child based on the date of conception and other factors and characteristics. For example, the use of the lunar calendar is gaining popularity. The Moon, going around the Earth, crosses all 12 zodiac signs every month.

Half of them are considered masculine: Aries, Sagittarius, Leo, Libra, Aquarius, Gemini. Accordingly, the remaining six signs are female: Capricorn, Scorpio, Pisces, Cancer, Virgo, Taurus. Who will be born a boy or a girl: a table is not required, it is enough to have a lunar calendar and keep track of what sign the Moon was in on the day of conception. If in a male, expect a son, and in a female, logically, a daughter.

Another method is to take into account the blood type and Rh factor of both parents. True, it is impossible to accurately determine the sex of a child by blood; we can only talk about the predisposition of a given couple to give birth to children of one gender or another. After all, both Rh and blood group are constants, that is, unchangeable indicators. However, there are also tables showing the chances of a particular couple having a daughter or son.

A number of researchers claim that it is possible to predict the sex of a baby based on the age of the mother and father. This is partly true, because blood renewal, as we said above, depends on age indicators. We have already looked at how to determine the sex of a child by blood renewal.

Of course, the most reliable diagnostic method is ultrasound. Although, kids sometimes hide their obvious signs of gender, turning around so that even smart equipment will not see them. And a number of parents do not really want to make such calculations and deliberately refuse even an ultrasound.

They want the sacrament of birth to remain so, despite the latest means and ancient signs. Moreover, none of the methods gives a 100% guarantee. It’s better to wait for fate to decide than to count, tune in to one result, and then worry if the forecast does not come true.

That's all for now, dear friends. The main thing is that any newborn should be desired and loved, regardless of his gender. This is where we say goodbye today. Be happy with your children!

While awaiting the birth of a baby, future parents strive to determine what gender the child will appear by using various methods and using time-tested signs. By choosing the most reliable method, you can find out with a high probability who will appear: a boy or a girl.

There are many known methods that can tell the gender of a child at different stages of pregnancy; some of them can help take measures for the birth of a baby of the desired gender already at the pregnancy planning stage.

The most accurate is ultrasound diagnostics, and over a reasonable period of time it can give a 100% result. But even ultrasound cannot cope with the task in all cases if the fetus is poorly positioned in terms of visibility of important body features.

Quite accurate methods include calculating the sex of a child using ancient Chinese and Japanese tables. These calendars were compiled by observant astrologers for emperors and rulers. Based on the cyclical processes of the human body, they often correctly guess the outcome of pregnancy.

Other calculation methods for calculating the sex of babies, for example, by ovulation dates or by the blood renewal cycle, are slightly less accurate. External changes in a woman, new taste preferences, like true folk signs, can also tell the expectant mother who will be born: a son or a daughter.

Gender of the child according to ultrasound

Diagnostics using ultra-high frequency ultrasonic waves is a painless and safe procedure. Ultrasound is not a foreign sound from the point of view of the human ear; it is present in a variety of sea and wind noises; peacocks use ultra-high frequencies for communication, and bats and owls use it for orientation in space at night.

Ultrasound examination today is one of the most modern instrumental methods that can reliably reveal the sex of the baby. As pregnancy progresses, ultrasound results will become more and more accurate, since the embryo continually grows and develops, and sexual characteristics become more visual and clear over time.

At 6 weeks, the size of the embryo does not exceed 1.2 cm. The head and the beginnings of the formation of arms and legs are clearly visible. At this stage, a small tubercle begins to form - a barely noticeable bulge, exactly the same in both boys and girls. By the 9th week, genital and scrotal folds appear around the tubercle, but in general there are no differences by gender either.

And only by the 11th week after fertilization, which is equivalent to 13 obstetric weeks, does it become clearly possible to distinguish a boy from a girl. In boys, a penis is formed from the tubercle, the labial-scrotal folds grow together, and the foreskin is formed. In girls, the tubercle becomes the clitoris, the surrounding folds form the labia, and subsequently these organs change little.

However, there are cases in which even the qualifications of a doctor and high-precision equipment cannot help in determining gender.

The umbilical cord stretching between the child’s legs can be mistaken by a specialist for the gender differences of a boy, and then the gender is determined erroneously. Some babies turn around so that their genitals are simply not visible, then indirect methods of identifying gender using ultrasound can help.

1. Ramsay method. Based on the assumption of the baby’s gender based on the location of the placenta. If the substance is in the uterus on the right, then most likely a boy is conceived, if on the left, then a girl.
2. The square shape of the skull and jaw may indicate the male sex of the embryo; these rounded body parts most likely belong to a girl.

How to determine the sex of a child by the external signs of a pregnant woman

If it is impossible or there is no desire to do an ultrasound, you can try to guess the gender of the baby based on the appearance of the expectant mother:

How to calculate the sex of an unborn child based on blood renewal

It is believed that all cells of the human body are regularly renewed, including blood cells. At the same time, for men the renewal cycle lasts 4 years, for women this period is 3 years.

The sex of the baby can be influenced by the blood of the parents: which spouse has it “fresher” or “younger” during the period of conception of the baby. If the mother’s blood has recently renewed, then a girl will be born, if the father’s, then a boy should be expected.

For example, if at the time of conception the mother is already 26 years old and the future father is 30 years old, then the calculations are made as follows:

• for mom: 25 / 3 = 8 whole, 1 remainder;
• for dad: 30 / 4 = 7 whole, 2 remainder.

The mother has the smallest balance, therefore, her blood is younger and most likely a daughter will be born.

Blood renewal also occurs during major blood losses, for example, blood donation or transfusion, childbirth or complex operations. The dates of these events should be taken into account when calculating using the described method; they should be taken as the starting point for the new update cycle.

By blood type and Rh factor of parents

Scientists' assumption that the blood types of future parents significantly influence the gender of the child has been seriously criticized. Due to the fact that a person’s blood group is unchanged, then, in accordance with the specified method, with a certain combination of group and Rh factor, children of only one sex can appear, but in fact this is not the case.

This method can rather be used to determine the greatest likelihood of the birth of a baby of one sex or another.

1. If the mother has group I, then a girl will be born with the father’s blood group I and III. In even-numbered groups, you should wait for a boy with your dad.
2. Mom's second blood group and dad's even blood groups will bring a boy. Odd blood types in a man in such a union will bring a girl.
3. With group III, a woman can only have a daughter if a man has group I; in other cases, a son will appear.
4. For women with blood group IV, boys will appear in all cases except the father’s blood group II.

It is possible to determine the sex of a child by the Rh factor as follows: with different Rhesus parents, girls are predominantly born, with the same Rhesus factors, boys are born more often.

By date of birth of parents

This is a rather labor-intensive method for identifying the sex of a baby; it was created by M. Freiman and S. Dobrotin. The task is to find two coefficients from the tables: for the mother and for the father. Whose coefficient is greater, the child of that gender will be born.

1. To determine the “male” coefficient, calculations should be made using tables marked with the letter O. From the first table, the number located at the junction of the row with the year of birth of the father and the column with the year of conception of the baby is written out.
2. The second table contains the number according to the month of birth of the man.
3. The third table will give a number based on the exact date of birth of the future father.
4. The fourth and fifth tables will help you find two coefficients for the month and date of conception.
5. Having summed up the resulting numbers, the “male” coefficient is determined from the sixth table; these are odd numbers, multiples of three, as well as zero.
6. In a similar way, you should calculate the “female” coefficient using the following 6 tables marked M.
7. If the mother’s coefficient is greater, then a daughter will appear; if it is less, then you can wait for a son. If both coefficients have a value of 0, then the probability of pregnancy is higher than that of a girl.

According to the last menstruation

You can determine the sex of the child by calculating the month of conception based on the start and end dates of the last menstruation before pregnancy. The number of years of the spouse at the time of fertilization of the egg is added to the serial number of the month of ovulation. One is added to the resulting number.

If the result refers to even numbers, then a daughter will be born, if the number is odd, then a son will appear.

For example, the woman’s age at the time of conception, which occurred in May (5th month), was 27 full years. After calculations (27 + 5 + 1 = 33), the result is an odd number; most likely a boy will be born.

By date of conception

If the exact date of conception is known, then based on scientific information about fertilization, it is possible to identify the sex of the baby with a high probability. An egg can only be fertilized during the ovulation period, i.e. when it leaves the ovary. This period is determined in several ways.

You can purchase special tests that will help you calculate, down to the day, the most convenient moment for conception. You can use a thermometer and measure your basal temperature daily; its increase indicates the onset of favorable days. If there are obvious signs of ovulation, you can rely on your feelings, observing changes in your well-being.

The sperm that survives to ovulation while in the vagina will connect with the egg. Sperm that include the X chromosome (can conceive a girl) live longer but move slowly. Sperm with a Y chromosome (may produce a boy) are short-lived, but very mobile.

Accordingly, the closer the date of conception is to ovulation, the higher the probability of the appearance of an heir, since sperm with a Y chromosome will reach the released egg faster. And vice versa, the longer the sperm were waiting for the egg to be released, the higher the possibility of the baby being born.

According to the Chinese calendar

In order to use the Chinese table, a woman needs to correctly calculate her lunar age. The Chinese believe that all newborns are already 1 year old; it is obtained by rounding the time the embryo is in the womb.

Each subsequent lunar year of life is added after the date of the Chinese New Year. The dates of this holiday are always different, but they fall between January 22 and February 22.

For example, an expectant mother celebrates her birthday in December. At her birth date she was already one lunar year old. After the new year according to lunar reckoning, which will fall in January-February, mother will already be 2 lunar years old. So, by adding 1 lunar year, you should calculate your lunar age before the date of conception.

In the Chinese table, the columns bear the serial numbers of the lunar months, which are calculated from the date of the new year according to the Chinese calendar. The lines indicate the woman's lunar age in the range from 18 to 45 years. At the intersection of month and age, you can find out the gender of the long-awaited baby.

According to the Japanese table

Determining the sex of a child using the Japanese method is quite simple; only three indicators are used for this: the month of birth of each of the future parents, as well as the month the baby was conceived.

In the first table, at the intersection of the columns indicating the birth months of the spouses, you need to find the code number. For example, if mom celebrates her birthday in January and dad in September, then the code number will be 9.

In the following table, using the number received (code numbers are indicated in the top row of the table), you should find your family column. It contains all 12 months in a certain order. The central columns contain different numbers of plus signs, which indicate the probability of having a baby of one gender or the other.

By selecting the line with the month of conception in your family column, you can find out the gender of the long-awaited baby from the central columns. In our example, the number 9 is the 4th column from the right. If the date of conception falls in May, then the probability of having a daughter becomes increased: in the column called “girl” there are 9 pluses.

This method was invented by Japanese astrologers, observing changes in the human body and in the relationship between spouses depending on the movement of the heavenly bodies. The tables quite often guess the gender of the child, which has already found indirect scientific confirmation.

Modern science has become aware of the fact that the formation of male and female chromosomes is cyclical, which can be determined by the date of birth of a person.

By heartbeat

An experienced obstetrician-gynecologist can determine the sex of a child by heartbeat during auscultation (listening). The baby’s heart begins to copy the rhythm of its mother’s heartbeat already on the 22nd day after conception. An increase in the baby's heart rate occurs at 7 weeks of pregnancy.

An experienced obstetrician will be able to listen to a child’s pulse at 20 weeks of pregnancy through a phonendoscope. In boys, the heart beats clearly and loudly at a rhythm of about 120 beats per minute, the tonality matches the mother's heart. In girls, the pulse is frequent, from 140 to 150 beats in 60 seconds, the chaotic muffled rhythm of the daughter is more often in dissonance with the tone of the heartbeat of a pregnant woman.

According to the blood pressure of the expectant mother

It is possible to determine the sex of the unborn child by measuring the pressure of the spouse immediately before the conception process. This conclusion was made by Ravi Retnakaran, a scientist from Canada, after analyzing the results of a seven-year experiment in which about 3,000 married Chinese women took part.

Before the intimate process, women donated blood and underwent a blood pressure measurement procedure. Over the years of the study, 1,411 children were born. According to the results, it was found that the blood pressure of mothers who gave birth to sons averaged 112.5 mm Hg. Art., and among mothers who gave birth to daughters, the value of the indicator was 109.6 mm Hg. Art.

Based on average data, it was assumed that higher blood pressure on the eve of conception increases the likelihood of the birth of an heir.

Scientists are currently not ready to substantiate the reason for this phenomenon. There is a version that conceiving boys is more energy-consuming for the mother, and only an organism that is in good shape with elevated blood pressure can provide the future son with comfortable conditions for development.

Currently, the world has recorded a decrease in the number of male babies born. Scientists previously assumed that this fact is associated with the peculiarities and negative factors of the modern century: terrorism, economic pitfalls, armed conflicts, etc. However, the fact that the sex of the baby depends on the pressure of the mother can correct the point of view of scientists.

According to dietary preferences

You can determine the sex of a child in the womb by observing the change in her eating habits. The widespread phenomenon of a sharp change in the taste of pregnant women is associated with changes in hormonal levels, but this fact has no scientific confirmation; the method refers to folk signs.

An uncontrollable craving for everything sweet (candy, marshmallows, cakes, sweet pastries, ice cream, marshmallows and other sweets) indicates pregnancy with a girl. This also includes a love of fermented milk products (kefir, fermented baked milk, cottage cheese and yogurt).

The anticipation of the baby is manifested in the addiction to regular and baked milk. Often, expectant mothers of daughters refuse coffee and sometimes tea, even if just recently the woman was known as an avid drinker. Sometimes the imminent birth of a baby is indicated by the desire to eat sweet fruits, including persimmons, watermelons, apricots, peaches, or juices from them.

If a mother prefers dark chocolate at the very beginning of pregnancy, but by the 3rd month she can no longer tolerate it, then a boy is most likely conceived. Also, future mothers of sons prefer meat delicacies to any sweets. Sausages, fried steaks, bacon and boiled beef become an integral part of their diet.

Sometimes, instead of a craving for meat, or simultaneously with it, a need for fish dishes arises. The future heir is also indicated by his love for potatoes and tomatoes. Pickles, olives and black olives, as well as pickles, pickles and marinades appear on the table of mothers pregnant with boys more often than usual. An interesting phenomenon is the addiction of mothers to Coca-Cola in anticipation of an heir.

There is a sign: if a woman likes to eat bread crusts, then she is carrying an heir, and if she likes crumbs better, then she is pregnant with a girl.

Having in our arsenal so many scientific and non-scientific methods of determining the sex of the unborn child, expectant mothers can significantly increase the likelihood of the preliminary result matching the actual one by applying all the described methods in order.

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