Vaginal rings, including melody and mediators that regulate the principle of releasing activity, are used continuously by women as contraceptives

摘要

Continuous release of vaginal ring includes melody and release of active ingredients such as polyethylene-30 for at least 90 days. It is useful as a contraceptive method for women to use continuously. The vaginal ring should preferably include 5% to 30% of the melon weight, compared to the total weight of the formula.