 [ Symptoms ] following ejaculation how many days does it take sperm to reach the egg [ Disease ] surprisingly it can take as little as 30 minutes for a sperm to reach an egg in a woman is fallopian tube however sperm can live up to 72 hours 3 days inside a woman is body so fertilization could occur anywhere between 30 minutes and 3 days this slideshow by webmd gives a great visual overview of the process of conception i hope this answers your question