Today, the country has released the three-child policy, but the fertility rate is still declining. The pressure of life and education is like a brick on the head for young people, making people want to give birth but not dare not give birth.Why has the birth rate of boys continued to remain high in recent years?
However, for young couples, after marriage, they naturally face the problem of having children, and now is an era of equality between men and women. It is the same to have a boy or a girl. As long as the education is good, whether it is a boy or a girl, There will be big profits in the future.
In fact, compared with the current economic pressure, young parents prefer to have girls, because boys may face the problem of marriage gifts in the future. However, according to the survey, the ratio of males to females in my country is seriously imbalanced, and there are 30 million more males than females. , which means that many male friends will have difficulties in finding a partner in marriage in the future.
Why do young couples want to have girls in recent years, but the birth rate of boys continues to be high, and where did the genes for girls go?
Why has the “birth rate” of boys continued to remain high in recent years? Obstetrician speaks the truth
Mature medical technology
Now that medical technology is becoming more and more mature, test-tube babies are also very common. Because many young couples cannot fertilize normally, they will use test-tube babies, or they can have their own babies. Test-tube babies can directly transfer the Y in the sperm. Chromosomes are proposed to improve the probability of having a boy, and the maturity of medical technology is also an important reason for the high birth rate of boys.
planned pregnancy
Nowadays, many young people want to have a high-quality baby, and the education level of young people is much higher than before. They know how to scientifically prepare for pregnancy, and many young couples will also improve the quality of sperm and eggs through diet. , will have intercourse at the right time, which can improve the combination rate of sperm and egg, plan pregnancy, and have a higher probability of having a boy.
physical fitness
With the continuous development of medical technology, more and more intractable diseases have been effectively cured. When two people’s bodies are equally healthy, sperm will be more active, soft cells function normally, and the activity of Y chromosome will be longer. , so the probability of having a boy will be higher.
Why are so many young couples now experiencing infertility?
For women:
- Abnormal ovarian development If there is a problem with a woman’s ovaries, it will affect the success rate of conception. Because many women stay up late for a long time, eat irregularly, work and rest for a long time, and have a lot of mental stress, they will affect the health of the ovaries. In addition, dieting and losing weight will lead to endocrine disorders. , premature aging of the ovary, insufficient estrogen secretion leads to abnormal egg development, without good conditions for gestation, it is impossible to successfully complete the conception.
- Menstrual disorders The lack of estrogen in the body for various reasons will lead to menstrual disorders, and it is difficult for female friends to find their ovulation period. Failure to have intercourse during ovulation will greatly reduce the probability of sperm-egg combination, which will also cause pregnancy difficulties.
- Blockage of fallopian tubes Even if the egg is mature and has the conditions for gestation, if the fallopian tube is blocked, it cannot be combined with the tadpole, which will cause infertility.
- Gynecological inflammation Gynecological inflammation is an important factor that induces infertility. Female friends have a special physiological structure. If you do not pay attention to personal hygiene and do not take care of them in time, it is easy to aggravate the inflammation, and extend various problems of pregnancy difficulties, affecting conception. For men:
- The quality of the tadpoles is not good enough If the sperm quality of a male friend is not high enough, it will not be able to successfully combine with the egg. For example, if a male friend stays up all night smoking and drinking for a long time, the long-term exposure to electronic radiation will damage the quantity and quality of sperm. If the sperm cannot survive in the body, it will not be able to successfully conceive.
- Mutual exclusion of eggs and tadpoles There are also couples of this type in real life. Their sperm and egg quality are all good, but after the two are together, the sperm and eggs have mutually exclusive reactions. It is precisely because of the existence of this gene that they cannot Normal conception is prone to infertility. What is the difference between a test tube baby and a normal baby?
Eliminate disease genes During natural fertilization, many sperms compete with each other. The fastest and most energetic sperm swims. The first one to reach the egg and the egg combine with strong energy, but it is difficult to ensure that it cannot carry a certain genetic disease. , IVF will select sperm in vitro in advance. If they carry a certain genetic disease, such sperm will be excluded, which can improve the quality of the baby and give birth to a healthier baby.
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