 [ Symptoms ] can you get pregnant one day before your fertility window is to start  i had unprotected sex with my husband one day before my fertility window was to begin my period ended on nov 10th and my fertility window was to start on nov 14th we had unprotected sex on nov 13th could there be a chance i could be pregnant my next period is to start on dec 3rd i am too early to take a test [ Disease ] it is possible to get pregnant at anytime around ovulation based on the dates you provided you are most likely to ovulate around november 20 which is 14 days prior to your next period however it is difficult to know exactly when ovulation is going to occur it is possible for sperm to live in the female genital tract for approximately 3 days so even if you have not yet ovulated you could still conceive it is too early to take a pregnancy test you can test around dec 1