Summary Facts on Fertility: There are a number of biological facts that have been discovered in the past century that are necessary to understand how NFP works. They are as follows:. Factors necessary for pregnancy:. To begin, you should know that the male cell of reproduction is called the sperm , and the female cell of reproduction is called the egg or ovum. The uniting of these two cells is called conception. It is the beginning of human life.
Life span of sperm
How long does sperm live on skin? | Yahoo Answers
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How Long Does It Take for Sperm to Die
Back to Pregnancy. Yes, although the risk of getting pregnant in this way is very low. If you want to avoid getting pregnant, you should use contraception. A man's semen the liquid produced when he ejaculates or "comes" contains millions of sperm.
Ejaculated sperm remain viable for several days within a woman's reproductive tract or in nutritive liquid culture medium in a lab setting. Fertilization is possible as long as the sperm remain alive — at least five days. Mayo Clinic does not endorse companies or products. Advertising revenue supports our not-for-profit mission.