There are many differences between men's sperm and women's eggs. For example, women's eggs will only be produced during the ovulation period, but men's sperm is different. The majority of adult male compatriots will find that they can often ejaculate sperm. In comparison, men's sperm production time is relatively short, for example, sperm can be ejaculated after two or three days, and men's sperm matures faster. How many days after ejaculation does sperm mature? American scientists have scientifically proven that men have a considerable reserve of sperm in their bodies. There is a drop of sperm one hour after ejaculation, so it usually recovers in 2 to 3 days. Once a male enters puberty, after 1 to 2 years of supplementary development, his body becomes that of a normal male and his sperm matures, meaning that he can fertilize the egg cell and develop it into a fertilized egg, thus causing pregnancy. Spermatogenesis begins with the regeneration of undifferentiated spermatogonia and the division and proliferation of spermatogonia. After several rounds of mitosis, some spermatogonia grow into primary spermatocytes while the other part remains as stem cells. The primary spermatocyte undergoes the first maturation division to form two secondary spermatocytes, which undergo the second maturation division to form two spermatids. Sperm is a cell with a special shape, consisting of three parts: head, body and tail. The head participates in fertilization, and the flagella movement of the tail makes the sperm motile. It takes about 11 to 16 days for sperm to be stored and moved in the epididymis, further maturing and becoming more active. 1: After the first birth, the body will undergo major changes and require a period of recovery. It is also unknown whether you will be able to become pregnant again. 2: Have a prenatal check-up before having a second child to check how your body has recovered and whether you can withstand the burden of a second pregnancy. 3: A prenatal check-up before having a second child can help you understand whether a woman has contracted other diseases that are not suitable for pregnancy after having her first child, and provide all the necessary protection for your pregnancy. 1: It is best for women to have a gynecological examination before pregnancy. Because some pathogenic microorganisms in the reproductive tract can also cause intrauterine infection of the fetus and affect the normal development of the fetus. If there is an infection, conception should be postponed and treatment should be given first. 2: Women should undergo a gynecological endocrine examination before having a second child: mainly to check whether the hormones are normal, including 6 items such as follicle stimulating hormone and luteinizing survival hormone. 3: Women who want to have a second child should have an ultrasound examination before pregnancy to understand the basic conditions of the uterus and appendages. |
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