It is most effective when taken about the same time every day. Progestin Emergency Contra. It can be used by nursing mothers starting 6 weeks after childbirth. Neither the quantity nor the quality of milk is harmed. It does not increase risk of estrogen-related complications, such as heart attack or stroke.
Women take one pill every day without break.
It is easier to understand than taking 21-day combined pills. It can be very effective during breast-feeding. Also there is less risk of progestin related side effects, like weight gain, acne etc. Women not breast-feeding may experience common side effects. Less common side effects include headaches and breast tenderness.