The imbalance between men and women is a demographic problem faced by the mainland after entering the 20th century, and although it has eased in the 21st century, the number of men will be higher in absolute terms.
Some experts believe that the factors affecting the imbalance of the sex ratio of children are numerous and complex, such as fertility willingness, fertility policies, artificial technology, choice of concealment and other reasons.

01Why has the "birth rate" of boys continued to increase in recent years? The obstetric nurse told the truth
【Different ideas on equality between men and women】
As long as the pregnancy reaches the due date, the most common question is whether it is a boy or a girl? Many families still believe that boys and girls have the same parenting methods.
But some grandparents in some families have different ideas, feel that they need to pass on the generations, must be a boy, if the first child is not a boy, and then continue to get pregnant, not only bring pressure to the couple, but also instill incorrect ideas in the child.
Many women will become machines that give birth to children after marrying their husbands, and they will not give up without giving birth to boys, and they will deprive women of their own rights at once, and their thinking is very backward.
【Physical Fitness Improvement】
With the continuous improvement of medical technology, many difficult and complicated diseases have been effectively cured, plus now that people understand the preparation for pregnancy, they know some relevant knowledge and operations of pregnancy preparation, so that the probability of conception is improved.
Both husband and wife ensure physical health, the child born will be healthier, the two people in good health, y chromosome activity is stronger, the probability of having a boy will be greatly improved.
【Maturity of medical technology】
The level of medical care is constantly evolving, to a certain extent can improve the probability of having a boy, many people in daily life choose to do IVF, because the fertility conditions do not allow, choose more high-tech medical treatment to make themselves conceive or their own wishes to achieve the desire to have a boy.
In general, doing IVF can improve the quality of male J-sons, control chromosomes, and easily increase the chances of conception of male children.
【Traditional Thinking】
Although with the continuous changes and changes of the times, everyone's thinking has also undergone tremendous changes, especially for young people who are not as good as the traditional patriarchal ideas before, but the saying "giving birth to boys and passing on incense" still exists in some economically backward places, and it is also the thinking of the older generation.
Although the regulations do not allow the sex of the fetus to be revealed, many people in private institutions to disclose information, and people with traditional thinking will screen the child's gender through the method of B ultrasound, knowing whether it is a boy or a girl.
But the doctor reminds everyone that B ultrasound is not necessarily accurate, every child comes to the world and we are fate, cherish every healthy life.
【Male friends have greater work pressure】
With the popularization of science, the birth of boys or girls depends on men, but with the continuous changes of the times, men's work pressure and life pressure become greater, especially as the pillar of the family, the psychological burden is heavier, which will also make men more stressed, adverse reactions, such as staying up late, smoking and drinking.
According to the research of scientists, if male friends often drink alcohol or smoke, the number of y chromosomes will decrease, the number of smoking will increase, it is easy to affect the Y chromosome, to a certain extent, it will make men's ability to conceive reduced, and it is not easy to give birth to girls.