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Who can give me a detailed introduction about Yuting or other contraceptives used afterwards?
There are mainly two kinds of emergency contraception. One is mifepristone tablets, with the trade name of "Fennel". Its advantage is that only one tablet is needed within 72 hours after sex, and the contraceptive effect is over 99%. Low-dose mifepristone is a new drug approved by the State Drug Control Bureau for emergency contraception at the beginning of the 21st century. The other is levonorgestrel tablets, the trade names of which are "Yuting" and "An Ting". It is characterized by taking two tablets within 72 hours after sex, with an interval of 12 hour. The contraceptive effect is over 98%. It was used for emergency contraception in the 1990s.

Yuting is jointly developed by the Research Institute of the National Family Planning Commission, the contraceptive service center of the National Family Planning Commission and Beijing No.3 Pharmaceutical Factory, the national research and production base of family planning drugs. Women of childbearing age only need to take one tablet within 72 hours after contraceptive failure or unprotected sexual intercourse, and take another tablet every 12 hours, so as to prevent unwanted pregnancy and achieve the purpose of protecting the physical and mental health of women of childbearing age.

In developed countries, the knowledge propaganda and drug use of emergency contraception are more extensive, so the abortion rate of young people is significantly reduced. In recent years, due to the popularization of family planning in China, the momentum of population growth has been effectively controlled, but the number of induced abortions has not decreased every year. Therefore, Yuting, an emergency contraceptive, is of positive significance to effectively prevent unintended pregnancy, reduce unnecessary induced abortions and protect women's physical and mental health.

Yuting

During the normal menstrual cycle, the hormone composition in women of childbearing age changes. In the first half of the menstrual cycle, the hormone composition in women is estrogen, and in the second half of the menstrual cycle, the hormone composition in women becomes estrogen and progesterone. Therefore, if women of childbearing age take Yuting, a special medicine for emergency contraception, at different times of menstrual cycle, its influence on menstruation will be different. If you take Yuting in the first half of the menstrual cycle, it may interfere with women's menstruation and is prone to vaginal bleeding; Taking Yuting in the second half of the menstrual cycle has little interference with women's menstruation.

In addition, due to individual differences, users have different reactions to Yuting, a special medicine for emergency contraception. A few women will have vaginal bleeding in a short time after taking Yuting. If the amount of bleeding is almost the same as the usual menstrual flow, it can be regarded as a menstrual period, and conventional contraceptive methods should be taken immediately after the bleeding is clean. If the amount of bleeding is small, you don't need to do anything, but you still need to pay attention to contraception until the next menstrual cramp.

Yuting, a special medicine for emergency contraception, is an emergency remedial measure for women of childbearing age who need to take immediately after contraceptive failure or unprotected sex. When women of childbearing age use Yuting, they should not only pay attention to the effective time of taking the medicine, but also make clear the characteristics of its emergency remedy afterwards, and should not take it as a routine contraceptive. Otherwise, it will not only affect the efficacy, but also lead to the disorder of women's menstrual cycle and artificially interfere with the normal menstrual cycle.

Detailed introduction

Indications]: It is used for contraception after the unprotected intercourse or the failure of contraceptive methods (condom slippage or rupture, out-of-control ejaculation in vitro, miscalculation of safety period, etc.). [Method of administration]: Take Yuting tablet (0.75mg) within 72 hours (three days) after unprotected sex or contraceptive failure, and take another tablet (total 1.5mg) after 12 hours. Under what circumstances do I need to take Yuting? In any of the following cases, you need to take Yuting: 1. Unprotected sexual intercourse: (1) No contraceptive measures-especially the first sexual intercourse is unprotected sexual intercourse. (2) Interrupted sexual intercourse-failure to withdraw the vaginal neck in time leads to ejaculation in the vagina. (3) ejaculation outside the vaginal opening. (4) Wrong date calculation during safe period contraception (periodic contraception, self-control natural contraception). 2. The condom breaks or falls off in the vagina. 3. Improper placement of vaginal septum and cervical cap, falling off, breaking or taking out prematurely during sexual intercourse. 4. The IUD falls off partially or completely. 5. Oral contraceptives are missed. 6. Sexual assault-whatever the nature, emergency contraception is needed. ★ Key Tips ★ Yuting is only used after the last unprotected sex, but it doesn't work for the next unprotected sex. Taking Yuting often leads to menstrual disorder, and taking Yuting often leads to an increase in the total failure rate.