Yes, a girl can get pregnant during her period. This might happen when: A girl has bleeding that she thinks is a period, but it's bleeding from ovulation . Ovulation is the monthly release of an egg from a girls ovaries.Ovulation happens before the bleeding from a girl's period has stopped. Ovulation happens within a few days after a girl's period is over. can fertilize an egg for 3 days. So if a girl has on the last day of her period and ovulates in the next few days, the may still fertilize the egg.