Fourth-generation short-acting oral contraceptives

Fourth-generation short-acting oral contraceptives

For some couples, having a baby is not an option if they are not ready. Therefore, during sexual life, some contraceptives are needed to reduce the chance of conception. There are many contraceptives sold on the market, generally oral contraceptives for women, which are divided into emergency contraception and 24-hour contraception according to the contraceptive time. So, do you know about the fourth-generation short-acting oral contraceptives?

type

1. Each norethindrone compound tablet (oral contraceptive tablet No. 1) contains 0.625 mg of norethindrone and 0.035 mg of ethinyl estradiol.

2. Each compound megestrol acetate tablet (oral contraceptive tablet No. 2) contains 1 mg of megestrol acetate and 0.035 mg of ethinyl estradiol.

3. Each tablet of compound norethindrone tablets contains 0.3 mg of norethindrone and 0.03 mg of ethinyl estradiol.

4. Each tablet of oral contraceptive No. 0 contains 0.312 mg of norethindrone, 0.5 mg of megestrol acetate and 0.035 mg of ethinyl estradiol.

How to use

1. Starting from the 5th day of menstruation, take 1 tablet every night for 22 consecutive days. If you miss a dose, you should take 1 tablet within 12 hours. After taking it, continue taking the medicine from the 5th day of menstruation. The medicine can be used for contraception in the month it is taken and can be taken continuously for 2-4 years.

2. For breastfeeding women, start taking the medicine 6-8 months after delivery. If you are not breastfeeding, take the medicine monthly.

3. After artificial abortion, start taking the medicine on the 5th day after menstruation.

4. If a woman does not have her menstruation after taking 22 tablets for 7 days after stopping the medicine, it is called amenorrhea and she should start taking the medicine for the next cycle. If amenorrhea lasts for more than 3 months, the medication should be stopped and other contraceptive measures should be used instead.

Adverse Reactions

1. Early pregnancy reactions such as mild nausea, loss of appetite, vomiting, etc. Generally, the symptoms disappear within 2-7 days. If the symptoms are serious, you can take vitamin B6, vitamin C and sedatives (such as perphenazine, chlordiazepoxide and caffeine).

2. For irregular vaginal bleeding (breakthrough bleeding), you can take ethinyl estradiol 0.005-0.0125 mg, 1 tablet per night, or half a tablet to 1 contraceptive tablet. If the bleeding occurs close to the menstrual period and the amount of bleeding is moderate, you can stop taking the medication and count it as one menstrual period. Start taking the next cycle of medication from the 5th day of bleeding. If bleeding is caused by missing tablets, treat as above.

3. Reduced menstrual volume generally does not require treatment, but if the menstrual volume is extremely small, you can appropriately increase estrogen (add 0.005 mg of ethinyl estradiol daily for 22 consecutive days) or change the medication.

4. During the period of taking amenorrhea medication, for those who have amenorrhea for three consecutive cycles, most people can resume menstruation naturally after stopping the medication. You can also inject compound progesterone (20 mg of progesterone, 2 mg of estradiol benzoate) or 10 mg of progesterone intramuscularly, 1/d, for 3 consecutive days. Withdrawal bleeding may occur 7-10 days after stopping the medication. You can continue taking contraceptive tablets 1-2 months after menstruation resumes. It can also be treated according to Chinese medicine dialectical analysis.

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