The contraceptive effect of Momoflower is positive. It contains a small amount of estrogen and mainly progestins. The progestin here is a highly effective progestin, and its contraceptive principle is to inhibit ovulation through a highly effective progestin, which belongs to the first generation of oral contraceptives; the second generation of oral contraceptives is Daying-35, which has a more obvious effect on androgens, and is therefore more commonly used in the treatment of polycystic ovary syndrome; the third generation of oral contraceptives is the often-used Yusmin or Yusiyue. In addition to effective contraception, oral contraceptives also play a very large role in the treatment of gynecological diseases, including dysmenorrhea, endometriosis, abnormal uterine bleeding and other common types of diseases.