How long can sperm survive inside the body?

Patient's question:

Please? Mr. Liu How long can sperm survive in a woman's body? How long can an egg survive in the body after it is released?

Doctor's answer:

Sperm can survive in the female body for about eight days because some sperm enter the folds of the cervix. During the middle of a woman's menstrual cycle, the cervical mucus promotes sperm to enter the folds. At the beginning of ovulation, the cervix opens slightly, and the mucus layer changes, allowing sperm to swim forward into the uterus.
Additionally, since the vagina is an acidic environment, most sperm that fail to enter the cervix can only survive for two to six hours.
Advice: Therefore, the duration sperm can survive in a woman's body varies greatly, ranging from two hours to eight days, depending entirely on the woman's physiological condition at the time of ejaculation.

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