People never stop talking about having a boy or a girl. Since everyone\’s enthusiasm is high, today we will summarize the answers to the topic \”What does it matter whether it is a boy or a girl?\” I believe many people have seen posts or articles like \”Eating habits determine whether to have a boy or a girl\”, \”Older couples are more likely to have daughters\”, \”Some professions have more daughters\”, etc. What do they have to do with each other? If you are interested, let’s summarize it together.
1. Whether to have a boy or a girl is related to genetics
If the groom’s family has more brothers than sisters, the probability of having a boy is higher. The larger the ratio, the greater the probability. Conversely, if there are more sisters than brothers, there are more girls than boys. Because it is men who decide whether to have a boy or a girl, we mainly look at male families. 
2. Being a boy or a girl is related to personality.
Looking at a man’s personality, men who are unkempt, rude, and don’t like to do housework are most likely to be born male. If a man likes to be clean and has a delicate personality, then he is probably a girl. Strong female mothers who often give orders and hold power are more likely to give birth to boys because their male hormones are stronger. Mothers with quiet and gentle personalities are more likely to give birth to girls. If the mother has a strong desire to dominate, then the male hormones in her eggs will be high, and she will be good at accepting the Y chromosome in the sperm.
3. Whether to give birth to a boy or a girl is related to the environment of conception.
The most important indicator of the fertilization environment is the pH value of the woman’s body. If the pH value of the fertilization environment provided by the woman is highly acidic, the probability of giving birth to a boy will be greatly increased, and conversely, the probability of giving birth to a girl will be greatly increased.
4. Whether giving birth to a boy or a girl is related to eating habits
If the diet is rich, the chance of giving birth to a boy will increase, while if the food is light, the chance of giving birth to a girl will decrease. Increase.
5. Giving birth to a boy or a girl is related to physical labor
If a woman’s physical labor intensity is low, the chance of giving birth to a boy will increase. If the physical labor is intensive, the chance of giving birth to a girl increases. Therefore, if a child is born within a period of time after marriage, if the wife often cooks, it will reduce the man\’s leading role in giving birth to a boy or a girl. Changing diet and physical exertion in womenThe pH of the sexual body affects the environment for conception. They also affect the pH level in a man\’s body, which affects male sperm production, so this is very important.
6. Having a boy or a girl is related to the frequency of sexual activity.
More sexual activity during pregnancy increases the chance of having a girl, while less sexual activity increases the chance of having a boy. This is because male sperm develops slightly slower. In layman\’s terms, immature sperm can never outrun adult sperm.
7. Being a boy or a girl is related to age.
The older a couple is, the greater the chance of having a daughter, because age factors will affect the physical fitness of both men and women. The number of sperm in men will decrease with age, and as women age, changes in physiological hormones will also cause the alkaline secretions in the uterus to decrease year by year, and the chance of giving birth to a girl will also greatly increase. A British study found that for every five years a couple\’s age increases, the chance of having a girl increases by 1%. If the husband is too old, the chance of giving birth to a boy will decrease. There are more boys than girls among men aged 25 to 29, and more girls than boys among men under 25 and over 29.
8. Having a boy or a girl is related to the depth of sexual intercourse.
If the ejaculation position is shallow, it will take longer for the sperm to reach the uterus; on the contrary, if the ejaculation position is deeper, the sperm can reach the uterus earlier. Therefore, if you want to have a boy, ejaculate deep into the vagina during sexual intercourse, which will help Y sperm appear near the cervix and avoid the difficulty of traveling long distances through cervical mucus; if you want to have a girl, ejaculate into the shallow part of the vagina part, deliberately making it more difficult for Y sperm to travel long distances, so that X sperm is far ahead and combines with the egg first.
9. Giving birth to a boy or a girl is related to the ambient temperature.
German researchers found that April to June are the months when most boys are born, while October is the month when the fewest boys are born. Further analysis found that high-temperature environments are more likely to give birth to boys, while low-temperature environments are more likely to give birth to girls. It is assumed that high temperature affects the X chromosome of sperm, making it difficult to give birth to a girl; low temperature affects the Y chromosome of sperm, making it difficult to give birth to a boy. What researchers are more worried about is that under the greenhouse effect of rising earth temperatures, the probability of being born a boy will become higher and higher, which may lead to an imbalance in the male-female ratio. But it also has a lot to do with physical fitness.
10. Being a boy or a girl is related to occupational factors
According to statistical reports, if a male’s occupation is a driver who drives for a long time (such as a taxi driver, truck driver), If a flight attendant or pilot, an anesthesiologist, or an office worker who sits for a long time or is exposed to computer radiation waits for a long time, the possibility of giving birth to a girl is greater. The probability is extremely high. That\’s because the testicles are subjected to strong changes in high temperature, air pressure or radiation, or too much toxic anesthetic gas is inhaled, causing the weaker Y sperm to die first, resulting in a particularly high chance of giving birth to a girl. But foreign statisticsIt shows that manual workers are 40% more likely to have a daughter than mental workers. This is caused by manual workers being frequently exposed to chemicals or accidentally ingesting drugs, and chemical agents significantly reduce sperm count and motility. Additionally, people living in highly polluted, densely populated areas are more likely to have girls.
11. Giving birth to a boy or a girl is related to smoking.
Research by Japanese and Danish scientists shows that couples who smoke before and after conception are less likely to have a boy. If the father smokes more than 20 cigarettes a day and the mother does not smoke, the possibility of giving birth to a girl is much greater than the possibility of giving birth to a boy. If both partners smoke, the likelihood of having a boy is even smaller. It is possible that smoking has caused certain changes in the maternal body, such as reduced estrogen secretion, uterine lesions, etc., and the Y chromosome in male sperm, which plays a decisive role in giving birth to a boy, is very sensitive to this. If you change, you will be \”hurt\”. The chance of giving birth to a boy will decrease.
