What is the best age for a man and a woman to have children? The answer is finally clear!

In terms of being "urged" and "promoted", women often have to bear more pressure than men. Once you pass the 30-year-old line, it seems that someone is always worried about you:

"After a woman is over 30, the object is not easy to find!" A few years later, it is not easy to have a child! I can't even conceive if I want to, and I can't even be born if I want to be born! ”

But think about it carefully, people now generally marry late and have children later, all kinds of internal rolls and pressures, it seems that people are willing to have children is already good, so the "best age for childbearing" that many people say all day is not an exaggeration?

First of all, first of all, is this "optimal childbearing age" really exist?

Theoretically, there is, and medicine generally believes that women's 25 to 34 years old is the best age for childbearing. And this "best" can be understood mainly from two aspects.

On the one hand, there is the fertility of women, that is, the probability of being able to "conceive".

It is currently believed that women's fertility will decline against the increase in age, especially after the age of 35, and overall, the older the age, the lower the fertility. Although there are some exceptions, very few women after the age of 43 are able to conceive naturally and have a successful live birth [[1].

Fertility refers to the probability of conceiving in a menstrual cycle, and the decline in fertility may be related to a variety of factors.

When a woman is born, the number of oocytes is certain and decreases with age. The quality of oocytes also decreases with age, as the more frequently meiosis abnormalities occur as they age[[2], the number of chromosomally abnormal oocytes in ovulation increases, leading to decreased fertility and an increased risk of spontaneous miscarriage.

There have been many studies that have found that the older the woman, not only the probability of natural conception is reduced, but also the probability of successful pregnancy during the artificial cycle or artificial insemination is also lower.

For example, a classic study of women undergoing artificial insemination due to male infertility (azoospermia) found that women aged ≥ 35 had lower fertility rates and required more cycles to achieve conception [3]].

Among them, the fertility rate of women aged 26-30 and women aged 25 and under is similar, while the success rate of conception for women aged 31-35 is moderate. The fertility rates for women under the age of 31, 31-35 and over are 74%, 62% and 54%, respectively.

Source: Stand Cool Helo

On the other hand, there are problems and various complications that women may encounter during the fertility process, as well as abnormalities and poor prognosis of the fetus.

Older women have a higher rate of spontaneous miscarriages during the first trimester, with the vast majority of miscarriages occurring at 6 to 14 weeks' gestation [20]. Among the most common causes of these miscarriages are chromosomal abnormalities, both triploid and holploid, mainly caused by a decrease in oocyte quality, and changes in uterine and hormonal function may also play a certain role.

In addition, women aged ≥35 years of age have a 4- to 8-fold risk of ectopic pregnancy compared to younger women [a4]. At the same time, the risk of chromosomal abnormalities in the fetus, especially aneuploidy, shows a steady increase with the age of women [5].

Source: Stand Cool Helo

Older women also have an increased risk of pregnancy-related complications, such as a population study that included nearly 830,000 singleton births in Washington State, which showed that women aged ≥ 40 years of age had an eight-fold increased risk of amniotic fluid embolism and a three-fold risk of obstetric shock compared with women aged 25 to 29 years.

The two most common medical complications of pregnancy in women, hypertension and diabetes, increase in older women, especially obese women, as do placental problems. The incidence of preeclampsia is 3% to 4% in the general obstetric population, increases to 5% to 10% in women over 40 years of age, and as high as 35% in women over 50 years of age [6]. There is also an increased risk of preterm and stillbirth

But then again, is it because of the factors attached to these "optimal reproductive years" that we have to clamor to set a goal, to complete the "reproductive task" before the age of 35?

Even if you casually pull a person to get married and have children, or even if you don't know enough about this person, the purpose is to avoid making yourself an "elderly mother"?

Because of choking, there is really no need.

In fact, for "elderly pregnant women", there is currently no absolute, universal definition, the impact of age on fertility, is often continuous, not that there is a specific threshold, not that you 34 years old to have a baby must be OK, this side of the 35th birthday, the birth switch to you "snapped" off.

With the development of society, more and more women can live more contraceptive measures, can choose more academic and career development opportunities, in this case, late marriage and late childbearing has become an unavoidable trend, and the matter of childbearing, should be a choice for women, should not be a must to complete the indicators on women.

Under the wave of late marriage and late childbearing, we are not unable to do anything.

If you choose to wait, then you can try to develop good living habits, pay attention to nutritional balance, quit smoking and limit alcohol, so that your body can maintain a healthy state of life as much as possible, and prepare for future fertility that may come later.

Even after the age of 35, you still have a great hope of being able to give birth to a baby safely, protect your health and do a good job of the obstetric examination that should be done in the case of fully understanding the risks you may face, so that the risk of accidents can be reduced as much as possible.

Source: Stand Cool Helo

At the same time, we need to understand that having a child is not just about creating a fertilized egg from sperm and eggs, and then giving birth to the child into the world.

Fertility, is two people hand in hand, it means growth and responsibility, means that two people jointly created the continuation of their own chromosomes, in the child was born and became their own parents, how to do a good job in the future of child rearing, is the long-term consideration that should be carried out.

Before giving birth, the anxiety brought about by age should not become the compulsive cause of childbearing, perhaps the most reasonable "childbearing age", but also the two people who consider childbearing, after fully knowing what they want to do, what they need to face, what they need to pay, they still decide and make that calm and solemn choice.

*The content of this article is a popularization of health knowledge and cannot be used as a specific diagnosis and treatment recommendation, nor is it a substitute for face-to-face consultation by a practicing physician, for reference only.

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