Hormonal Methods: 3: Flexible "silicone ring" that, when placed in the vagina, continually releases a combination of estrogen and progesterone. - left in place for 3 weeks and then removed for 1 week with menstrual bleeding occurring during the ring-free week. -Advantage for women with liver disease because it is absorbed in mucous membrane of vagina therefore avoiding a "first pass" through the liver -Need to be removed for intercourse -The effectiveness is equal to COCs. -Women may experience vaginal discomfort or infection. -If they should take out the ring for more than 4 hours for any purpose, they should replace it with a new ring and use a form of barrier protection for the next 7 days.