Can women get pregnant during menstruation

Why do women have periods when most animals don't?. Pregnancy - identifying fertile days: MedlinePlus Medical Encyclopedia. No matter the length of her period, every woman ovulates about 14 days before her next period. To find out more or if you do not agree to our use of cookies, please click Here to learn how to disable them. It's a common misconception that if a woman has sex during her period she cannot become pregnant.