How long can sperm survive in vitro

Many people don't know enough about the survival time of sperm, so they want to have a comprehensive understanding of how long sperm can survive in vitro? The following is a comprehensive introduction to how long sperm can survive in vitro for many people who want to know about this aspect. If you want to have a comprehensive understanding of this aspect, you can have a comprehensive understanding of the content introduced below, and you will have a concrete understanding of these knowledge aspects.

Normal fertility is the combination of sperm and egg, so how long can sperm survive outside the body? An expert in the Department of Andrology at the Air Force General Hospital who combines traditional Chinese and Western medicine said that the activity of male sperm in the acidic vagina of a woman generally does not exceed eight hours. However, if simply exposed to the outside, the survival time will not exceed 2 minutes. However, during this time, a small number of sperm may be able to enter the uterus, and at this time there will be very few sperm left. Therefore, everyone needs to pay attention that it is not advisable for men to use external ejaculation as a contraceptive method, and it cannot guarantee 100% pregnancy. It will also have a certain impact on men's health, so everyone needs to pay attention.

How long can sperm survive outside the body?

1. Under low temperature conditions, sperm can generally survive for several weeks, but if frozen with liquid nitrogen, sperm can survive longer and can even be stored for a long time.

2. The survival time of active sperm in 37℃ environment: more than 4 to 8 hours; the survival time of active sperm in uterus and fallopian tube: 2 to 2.5 days; the survival time of active sperm in vagina: 0.5 day;

How long can sperm survive in vitro? I believe that after learning the above content, you already have a specific knowledge and understanding of how long sperm can survive in vitro. After fully understanding how long the survival time is, you can refer to the above-mentioned sperm survival time in vitro. If you want to get pregnant, you can calculate the sperm survival time.