Related Questions

Will cold tap water (with or without soap) very quickly or even instantly kill sperm, owing to osmotic shock?

Spermicide ? Tap water is definitely going to create an osmotic deficit when contacting living cells, but it is not sufficient to kill sperm effectively, so pregnancy is always a possibility. The only way to resolve this is to wait until the receiver of the sperm has a period. Obtain a serum (HCG) pregnancy test if she is "late". Read more...