A member asked:

Does st.johns wort decrease the effect of the morning after pill?

A doctor has provided 1 answer
Dr. Michelle Jones singer answered

Specializes in Gynecology

Nonconclusive: Some studies have shown that St John's wort speeds up the metabolism of estrogen and progesterone. But others do not confirm that finding. Also the dosage of St Johns Wort is not standardized. So there is no way of telling what effect it will have.

Answered 9/10/2014

3.7k views

Thank

Related Questions