People who take ella and want to begin or go back to a different hormonal birth control method should wait until their next cycle. In the meantime, they could consider abstaining from sex or using a barrier method of birth control.
According to ella's manufacturer, if a person's period is more than 7 days late after taking the emergency contraceptive, they should take a pregnancy test and speak with their doctor. They should also do this if their period is unusually light or heavy after taking ella.