Short period comets that originate beyond the orbit of Neptune but are generally moving level with the orbits of the other planets are in the what?
No! You can get pregnant before you have your first period, and many surprise pregnancies happen just that way. To prevent pregnancy after you have your baby, you'll have to use birth control every time â even if you're breastfeeding.
It's not possible to get pregnant 4 days before your period, but it is possible to get pregnant 4 days before you thought your period was going to start if you ovulate later than expected in your menstrual cycle. There are only a few days during a month when it's possible to get pregnant, and they're grouped around the time of ovulation.