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Contraceptives are the most commonly used by women to use contraception, while emergency contraception is a first aid measure used in the absence of contraception. But there are also many sayings about taking emergency contraceptives, and today I will talk to you about when emergency contraceptives are effective? What are the adverse reactions? And what groups of people can't eat?

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When is emergency contraceptive pill effective?

As an after-the-fact contraceptive pill, emergency contraception generally refers to taking the first tablet within 72 hours after unprotected sex, and then taking the second tablet after 12 hours, the earlier the better. The main ingredient of emergency contraceptives is progestin, and the principle of action of the drug is basically the same as that of short-acting contraceptives, which is suitable for women under 40 years of age.

It should be noted that when taking the drug, be sure to take it on an empty stomach, or do not eat for two hours after taking it, so that it will not affect the efficacy of the drug.

Adverse reactions of taking birth control pills

1． The most direct impact of menstrual changes in the harm of often using contraceptives is that the menstrual volume is too small, and in severe cases, there may even be amenorrhea.

2． After taking emergency contraceptives, the female menstrual cycle will be affected, and then the ovulation period of women will also change, so that it is impossible to confirm which day will ovulate, which is not conducive to smooth conception and childbirth.

3． Irregular vaginal bleeding Some women take the drug vaginal drip bleeding, generally do not need to deal with, but also let the patient understand this situation, do a good job before and after the medication consultation, education.

4． Nausea and vomiting A small number of women will experience nausea and vomiting after taking emergency contraceptives, usually nausea symptoms do not exceed 24 hours, if you vomit within an hour after taking the drug, you need to take it again as soon as possible.

5． Pigmentation pigmentation occurs in the forehead and facial skin of a small number of people after taking the drug, which is the result of the action of estrogen and progesterone, and generally recovers naturally after stopping the drug.

Emergency contraception should not be taken more than 1 time in 1 month and 3 times in a year.

Who can't take emergency contraception?

1． Patients with various tumors should not use contraceptives for some tumor patients, such as benign breast tumors, uterine fibroids and various malignant tumors, because the use of contraceptives will have adverse effects on tumors, so it is not recommended to use, and other effective contraceptive methods can also be taken. Such as condoms, birth control rings, etc.

2． Lactating women believe that this point needless to say, we should be very clear, lactating women should not use contraceptives, can reduce milk secretion, and reduce the quality of milk, but also into the milk, adverse effects on breastfeeding children, so lactating women should not eat. Of course, there are also some women who think that breastfeeding sex does not become pregnant, which is wrong. Even breastfeeding sex should be done with contraception.

3． Women with hypertension should not use contraceptives, mainly because a small number of women will increase their blood pressure after taking drugs, so it is best not to use contraceptives for hypertensive diseases, and it is also very effective to use condoms or birth control rings.

4． In addition to high blood pressure, women with diabetes should not use contraceptives. Not only that, but it is also not suitable for those with a family history of diabetes. Taking the pill may cause a slight increase in blood sugar, make latent diabetes become dominant or have adverse effects on women with diabetes, so it is best not to use.

5． Menstruation is a unique physiological problem for women, but for various reasons some women have a particularly low menstrual volume, for some reasons caused by too little menstruation is best not to use contraceptives, long-term use must consider the state of uterine atrophy will reduce menstrual volume.

6． Migraine sufferers may be very surprised, why can't migraines use contraceptives? Mainly because women with chronic migraines, especially migraines and vascular headaches, the use of contraceptives will aggravate the symptoms, resulting in more serious headaches, so it is best not to use.

7． The estrogen in the contraceptive pill in heart disease patients can cause water and sodium retention in the body, and retention will increase the burden on the heart, so people with heart disease or poor heart function cannot use it.

8． Patients with hepatitis and nephritis should not take women with acute and chronic hepatitis and nephritis, because the contraceptives that enter the body are metabolized in the liver and excreted by the kidneys. Use in women with acute and chronic hepatitis and nephritis will increase the burden on the liver and kidneys.

9． Vascular embolism disease whether in the past or is suffering from vascular embolic diseases, such as cerebral thrombosis, myocardial infarction, vasculitis, etc. can not use contraceptives, estrogen in contraceptives may increase the coagulation of blood, will aggravate the condition of vascular diseases, making hyperthyroidism.

10. There is also a category of women who cannot use contraceptives, and women with hyperthyroidism are best not to use contraceptives until they are cured.