Cilest are contaceptive pills that regulate the menstrual bleeding pattern and prevent pregnancy with a 99% success rate. They are also often used for endometriosis treatment.
Cilest contraceptive pills consist of two active ingredients that work on the uterine environment in three different ways. Commonly, Cilest is taken during the 21 days of the menstrual cycle, after which there is a one-week break. During the break the contraceptive treatment is still effective and prevents pregnancy.