Progesterone is secreted by the corpus luteum cells of the ovaries and is dominated by progesterone, i.e. progesterone. Progestins mainly include progesterone, ethinyl progesterone, norethindrone, methinyl progesterone, norethindrone, dihydroxyprogesterone, norgestrel, hydroxyprogesterone caproate, megestrol, norethindrone, pramethindrone, etc. Progestins have significant morphological effects in the body on the endometrium that has been stimulated by estrogen, and are necessary for maintaining pregnancy. Clinically, progestins are mainly indicated for the treatment of anorectic, menstruation or menstrual disorders due to progesterone deficiency, or for the treatment of artificial cycles.