Emergency contraceptive pills are a common short-acting contraceptive in life. Emergency contraceptive pills contain a large amount of hormones and are generally used as a last resort after conventional contraception fails. It is best not to take emergency contraceptive pills more than 3 times a year. If emergency contraceptive pills are taken too many times, it can easily lead to endocrine disorders in women, and in severe cases it may cause amenorrhea in women. It is best not to take emergency contraceptive pills unless it is absolutely necessary. Emergency contraceptive pills refer to contraceptive methods used to prevent pregnancy within a period of time after unprotected sex or contraceptive failure. Drug contraception is the most commonly used contraceptive method. Women can consider taking emergency contraceptive drugs if they suffer accidental injuries or have unprotected sex for other reasons, or if contraception fails, such as condom breakage, slippage, or incorrect calculation of the safe period. The drugs are effective within 72 hours after intercourse. If they have sex again while taking the drugs, the time must be recalculated. A commonly used type of emergency contraceptive is a single progestin, the ingredient of which is levonorgestrel, which is an over-the-counter drug. This type of 72-hour emergency contraceptive pill is represented by Xinsnuo Pills and Yuting. The earlier emergency contraceptive pills are taken, the more effective they are in preventing pregnancy. No need to fast before or after taking it. Another type of emergency contraceptive pill is antiprogestin. The most commonly used one is Houdingnuo. In addition, there are Simian tablets, Biyun capsules, Huadian tablets, etc. The active ingredient is mifepristone, and they are all prescription drugs. Only one tablet of this medicine needs to be taken, and fasting is required for 2 hours before and after taking the medicine. The chance of pregnancy after taking the medicine can be reduced to 1.4%. There are few side effects, but the side effects are large. Some people experience changes in their menstrual periods. If vomiting occurs within two hours after taking the medicine, if the medicine is vomited out, you need to take the same dose of medicine once. Will emergency contraceptive pills affect menstruation? Some women experience irregular menstruation after taking emergency contraceptive pills, such as early or delayed menstruation. If emergency contraceptive pills are taken within 72 hours in the first half of the menstrual cycle, it may have a greater impact on menstruation. If it is taken in the second half of the menstrual cycle, the interference with menstruation will be relatively small. If the amount of bleeding during taking emergency contraceptive pills is similar to that of normal menstruation, you can treat it as a menstruation and adopt conventional contraceptive methods immediately after the bleeding stops. If the amount of bleeding is relatively small, no treatment is required, but you should still pay attention to contraception until the next menstruation. After taking the medicine, most women with irregular menstruation will have their menstruation return to normal within 2-3 months. If menstruation is irregular for a long time, you should go to the hospital for relevant examinations. |
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