It doesn't: Exactly work that way. A woman could have sex on the last day of her period. If she has a very short menstrual cycle- than she might ovulate while there is still viable sperm in her body. In that situation, she had sex during her period but the actual conception does not occur until she is ovulating.
Answered 6/12/2013
5.1k views
A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
4 doctors weighed in across 2 answers
90,000 U.S. doctors in 147 specialties are here to answer your questions or offer you advice, prescriptions, and more.
Ask your question