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 usual for twins and multiples to be delivered before 38 weeks. Fewer than half of all twin pregnancies go beyond 37 weeks, and hardly any triplet pregnancies go beyond this stage. About 75% of triplets are born before 35 weeks. Be prepared for your babies to spend some time in special care.