Today, Xiaodao was flipping through the news and inadvertently saw the news that a couple in Guangxi had given birth to 15 children. The couple has 4 sons and 11 daughters, which at first glance gives people a sense of "desperately having a son".
In life, many couples work the road of giving birth to a son, giving birth to the whole family is happy, giving birth to the whole family depressed, especially women, it is easy to carry the pot on the child's gender.
It is well known that fathers are primarily responsible for the proportion of the gender impact on offspring
Each cell in the human body has 23 pairs of chromosomes, including a special pair of chromosomes - sex chromosomes (X chromosome and Y chromosome), chromosomes are not paired, in the process of cell division, pairs of chromosomes are separated, so in each germ cell, there is only one chromosome.
Like women's eggs fixed only have the X chromosome, while male sperm has X chromosomes and Y chromosomes.
When the father X chromosome and the mother's X chromosome are combined, a daughter (XX) is born; when the father's Y chromosome and the mother's X chromosome are combined, a son is born (XY);
Therefore, the gender of the next generation is determined by the father, that is, the moment the egg meets the sperm to become a fertilized egg, the child's gender has been properly arranged.
We all know that the sex of the child is mainly determined by probability, boys and girls have a 50% chance, but the study shows that temperature and climate can also determine the child's birth sex to a certain extent.
"Having boys and girls" is not completely random, and it is also affected by the temperature of the external environment
Although the process of determining the sex of the fetus is random in the process of combining sperm and eggs to become fertilized eggs, studies have shown that there may be many factors that affect the process of fertilization.
In the journal New Scientist, scientists pointed out that the sex ratio of babies seems to be related to the ambient temperature about a month before conception.
The researchers compared the birth records of newborns over the years with the weather environment at the time and found that after the hot summer, most of the babies born were boys, while girls were born in the winter after the temperature dropped at a higher rate.
The researchers wondered if this was due to the effect of temperature on sperm motility. The reason why the temperature during pregnancy affects the sex of the baby is because the X chromosome in the sperm is more likely to be destroyed than the Y chromosome after encountering high temperatures.
Therefore, in the summer, women are less likely to get pregnant than in winter, women's eggs are more likely to be fertilized in winter, and women have the highest chance of giving birth to twins and triplets during the December-January period.
Further research found that the most fertile time of year is 12 hours of sunshine each day, when the temperature remains at 10-22 degrees Celsius. The temperature at this time is most suitable for stimulating ovulation and producing a large number of sperm, which is naturally more suitable for pregnancy.
According to temperature calculations, the most suitable months for pregnancy are March-April in spring and October-November in autumn.
At the same time, external climatic factors can also affect the sex of the fetus
Not only the external environmental temperature factors, special weather will also affect the sex of the fetus, like dry and rainy seasons, because the external climate humidity is different, the sex of the fetus born at this stage will have obvious differences.
In 1976, a year-long dry climate appeared abroad, and after the drought passed, a heavy rain allowed trace elements in the soil to seep into the groundwater and then be sucked by the human body, resulting in sex chromosome pairing, which was more conducive to male reproduction; similarly, in 1952, there was a long period of foggy weather abroad, so that in that year, many more girls were born than boys.
Although theoretically, the odds of having a boy and a girl are 50% each, in real life, you will find that some people will have several boys or girls in a row, and it is not all coincidence.
There are many factors that affect the sex of the baby, so if there are requirements for the sex of the baby, it is advisable to try the purposeful pregnancy through temperature and climate.
Now what do you think about having a daughter or having a son?
For the elderly, their "son preference" is serious, especially those with only children, and the ideas of "raising children to prevent the elderly" and "continuing incense" are still deeply rooted. Such a family's obsession with boys is naturally relatively deep.
Even in the past, those families with only daughters and no sons would feel pressured, not only the contempt of the in-laws, but also the contrast between the outside world and the boys' families, so many women in the past, if they only had daughters, may live in the cold violence of the family all their lives.
However, for young people, the idea is not so traditional, most young people, the birth of boys and girls are no longer so demanding, as long as the child is healthy and smart, give birth to boys or girls, just follow the fate.
Kojima would like to say:
Children and parents are a kind of fate, as the saying goes: "Fate sometimes must have it, fate must not be forced at any time", go with nature, whether it is a boy or a girl, with a grateful heart to accept it.