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.
Here's a guide to contraception after the birth. It depends on how you're feeding your baby. Your periods will return any time from about six weeks to three months after your baby's birth if you are formula-feeding or combining breast and formula feeds. You are fertile two weeks before you have your period. So even if you're not ready to have sex just yet, you will need to start using contraception from three weeks to four weeks after your baby's birth (Cole 2011) .