Only a few hours: There may be sperm in the fluid before ejaculation. Withdrawal is not a safe form of birth control. Semen itself will gel or coagulate in the vagina and sperm can live longer in a full ejaculate.
Answered 4/27/2020
5.5k views
Sperm: Pre-ejaculate may contain large amounts of viable sperm, smaller amounts of sperm that are dead or alive or no sperm. Thus, there is potential for pregnancy with pre-ejaculate. Sperm need to be deposited in the vagina or at the introitus for pregnancy to occur. Use protection every time you have sex if your are not ready for pregnancy. As soon as they dry out the sperm die.
Answered 11/4/2018
253 views
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