Advantages of short-acting oral contraceptives 1, the success rate is relatively high, persistent use, can achieve more than 95% of the contraceptive rate 2, the application range is wide, almost suitable for breastfeeding outside of all healthy women 3, reversible, after stopping the drug can be pregnant again 4, has the role of treating diseases Oral contraceptives non-contraceptive use 1, the treatment of dysfunctional uterine bleeding dysfunctional uterine bleeding, or homeopathic hemorrhage, is caused by the reproductive Dysfunctional uterine bleeding, abbreviated as dysfunctional uterine bleeding, is abnormal uterine bleeding (AUB) caused by the dysfunction of reproductive endocrine axis, which is divided into two categories: anovulatory AUB and ovulatory AUB. Anovulatory AUB is most commonly seen during puberty and menopausal transition, but can also occur in the reproductive age. The treatment of dysmenorrhea in puberty and reproductive age is based on hemostasis, cycle regulation, and ovulation promotion. One of the hemostasis is widely used in contraceptives, and studies have shown that a combination of sex hormones is better than a single drug for hemostasis, which is always mentioned as oral short-acting contraceptives. Dosing method If the bleeding is not much, but drenching, then the compound oral contraceptive pill 1 tablet oral 1/day for 21 days, adhere to the treatment for 3 to 6 cycles; If the bleeding is more, HB < 80g / L, the general condition of the person, OC 3 tablets / day for 7 days → 2 tablets / day for 7 days → 1 tablets / day for 7 days (the specific method of taking varies from person to person, to the attending physician to adjust the main). Ovulatory AUB menstrual flow of excessive menstrual blood can also be taken. 2.Reduce or eliminate dysmenorrhea The occurrence of dysmenorrhea is mainly related to the endometrial prostaglandin content increases during menstruation, OC through the inhibition of ovulation to reduce the endometrial production of prostaglandin, while reducing the amount of menstrual flow so as to reduce the prostaglandin in menstrual blood, OC can be used for 3 to 6 cycles. 3, the treatment of polycystic ovary syndrome short-acting oral contraceptive pill treatment of polycystic ovary syndrome main effects are: (1) negative feedback inhibit pituitary LH high secretion (2) reduce ovarian androgen production (3) inhibit endometrial hyperplasia (4) adjust the menstrual cycle (5) stimulate the liver to produce sex hormone-binding globulin, reduce free testosterone (6) narrow the ovary (4), the treatment of endometriosis endometrial tissue in the body of the body outside of the uterus, called endometriosis. , it is called endometriosis, or simply endometriosis. Endometriosis is an estrogen-dependent disease, which is mainly characterized by lower abdominal pain, dysmenorrhea, infertility, discomfort during sexual intercourse, and menstrual abnormalities (heavy menstruation, prolonged menstruation, irregular menstruation, etc.). The use of OC reduces estrogen and acts directly on the endometrium and ectopic endometrium, causing atrophy of the endometrium and reduction of menstrual flow. It can be used continuously for 6 to 9 months, and follow-up is needed during the use of the drug to be alert to the risk of thrombosis. 5, adenomyosis When the endometrial glands and mesenchyme invade the myometrium, it is called adenomyosis. At present, there is no curative effective drug, OC has some effect on relieving its symptoms. 6, other In addition, long-term short-acting oral contraceptives can also be used to treat premenstrual tension syndrome, ovarian cysts, and to improve a series of problems that occur during premenopause and perimenopause. Precautions for taking birth control pills 1. It is important to develop a good habit of taking the pill accurately, on time and according to the dosage. Don't miss the dose or take it late. If you find that you miss the dose, you should make up the dose on the next day, otherwise it will easily cause irregular bleeding or contraceptive failure. 2, long-term contraception, should be taken under the guidance of a doctor. 3.Patients suffering from acute or chronic hepatitis, nephritis, tumor, diabetes mellitus, thrombophilia, heart disease and severe hypertension should not use it. 4.It should not be taken by women within six months after delivery, during breastfeeding, or above 45 years of age.