However, it was not approved by FRA for use until 1991. It is a very effective and carefree contraceptive method. Abnormal bleeding often occurs in the first three months and then amenorrhea increases. Vaginal Ring Contraceptive Steroids can be imbedded in a silastic vaginal ring to give a continuous release of estrogen plus progestin or progestin alone which is absorbed through vaginal mucosa to provide adequate blood level for contra-ception. This is a new delivery method of the steroids.
Women can insert the ring by themselves and remove periodically for cleaning.
Each ring can be used for up to 3 months. This is commonly referred to as the morning-after pills. Recent study showed that a single dose of RU-486 was equally effective and had less side effects such as nausea and vomiting. The use of IUD was very popular in the 70's and 80's. Its use has been declining since one of the IUDs caused an increased rate of pelvic infections.