Everyone knows that birth control pills are not very good for the body and will disturb the normal operation of body endocrine, so women generally avoid taking birth control pills. But sometimes you forget to take contraceptive measures during sex, so you can only use contraception afterwards. So how long have you been menstruating since you took birth control pills? Let's take a look together.

How long does it take to menstruate after taking birth control pills?

There are many kinds of contraceptives, whether they are long-acting or short-acting, the mechanism of action is the same, and they all achieve the purpose of contraception by inhibiting ovulation.

Normal women have their own endocrine laws. Because the use of oral contraceptives is disordered, there will be some side effects during the medication, which may lead to endocrine disorders, irregular menstruation, amenorrhea, infertility, or gastrointestinal discomfort, headache, weight gain, nervousness, depression, spots and acne on the skin.

The morning-after contraceptive is to achieve the purpose of morning-after contraception by interfering with the hormone balance in the body. Therefore, taking the morning-after pill is easy to cause menstrual cycle disorder. So, how long does it take to menstruate after taking birth control pills? Generally speaking, menstruation will come 3-5 days after drug withdrawal.

Is it really necessary to intervene in menstruation? It depends on what period you are in. The menstrual cycle is simply divided into menstrual period of 7 days, proliferative phase (endometrial hyperplasia phase) of 7 days, secretory phase (luteal phase and ovulation phase) 14 days, totaling ***28 days.

1, people who usually take short-term contraceptives. If you are taking short-acting contraceptives at ordinary times, it will be much easier to delay menstrual cramps. They just need to continue to take the short-acting contraceptives they usually take, and choose to stop taking them after the holiday. After stopping taking them for 3-5 days, they will have menstrual cramps.

2. Take birth control pills. Women with regular menstrual cycles can take short-acting contraceptives twice a day five days before the next menstrual cramp until they feel that menstruation can come.

What are the precautions for taking emergency contraceptives?

Contraceptive pills have become a common contraceptive for women, and the quality of contraceptives is getting better and better, and the chances of success in contraception are greatly improved. But don't think that you don't have to worry about anything after taking birth control pills. After taking emergency contraception, you also have his precautions. Let's have a look.

1, emergency contraception can only have contraceptive effect after the first one-time sex, and there can be no unprotected sex after taking the medicine.

2. A small amount of vaginal bleeding after emergency contraception is not a sign of successful contraception. If there is no menstrual bleeding, go to the hospital as soon as possible.

3. Vomiting occurs within 1 hour after taking emergency contraception, and you should take 1 time as soon as possible.

4. Emergency contraceptives can only be used occasionally, and cannot replace conventional contraceptive methods.

5. Pregnant women are forbidden to use emergency contraception, because emergency contraception has no abortion effect on established pregnancy.

6. The sooner you take emergency contraceptive measures after unprotected sex, the better the effect of preventing unintended pregnancy.