How long is the sperm survival time?The survival time of sperm should be determined according to the location of the sperm.Although normal and mature men emit ejaculation at one time tens of millions or even about 200 million sperm, most of these sperm have lost vitality in the acidic environment of female reproductive tract and died.
How long is the sperm survival time?Generally speaking, the life of sperm in the vagina does not exceed 8 hours, and only a small number of sperm is linked and continued to move forward.When the sperm competes to reach the uterine cavity, the number is only 1%& mdash; 5%when ejaculation. Why?Because there are sperm in semen during ejaculation, you can get a large amount of fructose and enzymes in the semen and enzymes that break down sugar. When the sperm enters the uterine cavity, it leaves the semen.It is greatly shortened. The poor quality sperm runs slowly and cannot reach the uterine cavity quickly, and it will lose its vitality.After passing the way, the sperm can eventually reach the tubal fertilization site.
How long is the sperm survival time?As long as sperm enters the fallopian tube, it has strong fertilization ability.Of course, in the end, only 1 & mdash; 2 sperm was fortunate to be combined with eggs, and the remaining sperm died within 36 hours.However, the sperm stored in the cervical mucosa hidden nest can reach 2 & mdash; 6 days. Although so, its ability to fertilize has basically lost, because most of the sperm's fertilization ability can only maintain for about 20 hours.
(Editor in charge: Internship Chen Jing)