how many days after having unprotected sex can sperm stay in your vagina? not sure when i got pregnant. my last lmp was 10/13 cycle was about 28 days. i had unprotected sex on 10/17 10/24 what day might i have gotten pregnant i am confused please help.
doesn't matter which of those two days you "got pregnant". doctors count pregnancy from the first day of your last menstrual period.