You can get pregnant if you have intercourse and a male releases his sperm inside of your vagina.
You can also get pregnant if the male removes his penis from your vagina before releasing his sperm. This is because the fluid that comes out of the penis before ejaculation may have leftover sperm (from a previous ejaculation).
You can even become pregnant if you don’t have vaginal intercourse! This can happen if the male releases his sperm outside of your body near your vagina, because sperm can find their way to an egg.