Aygestin - the pharmaceutical preparation, containing synthetic analog of hormones of a yellow body of an ovary, it has a prominent effect on an internal cover of a uterus. It causes changes in an inside layer of a uterus, preparing it for implantation of an oospore, provides normal course of pregnancy, reduces contractility of a uterus, especially pregnant stimulates development of lactigerous parts of mammary glands. It is taken at treatment of a secondary amenorrhea, dysfunctional bleedings, polymenorrheas with the shortened phase of a yellow body, endometriosis, endometrial cancer, mastodynia and diffusion mastopathy.