How many days does the short-acting contraceptive pill take to be effective

Short-acting contraceptive pills are generally suitable for women under 40 years old. They can prevent pregnancy for one month and need to be taken continuously for 22 days, mainly taking one pill a day, which can prevent pregnancy for one month. However, this method of contraception is very harmful to women's bodies. It can cause irregular menstruation and dark menstruation in women, and even cause infertility in women. It is not recommended to take contraceptive pills for a long time.

When is the short-acting contraceptive effective?

1. When is the emergency contraceptive pill effective? As a post-coital contraceptive pill, the first pill of emergency contraceptive pill is usually taken within 72 hours after sexual intercourse, and the second pill is taken 12 hours later. The earlier it is taken, the better the effect. The main ingredient of emergency contraceptive pills is progesterone. The principle of action of the drug is basically the same as that of short-acting contraceptive pills and is suitable for women under 40 years old.

2. When is the short-acting contraceptive effective? Short-acting contraceptives should be taken on the 5th day from the day of menstruation, 1 tablet every night for 22 consecutive days, which can prevent pregnancy for 1 month. The main function of short-acting contraceptives is to inhibit ovulation and hinder the normal growth of the endometrium. They are suitable for women without underlying diseases or diabetes.

3. When is the best time to take long-acting contraceptive pills? Generally, take one pill on the fifth day after menstruation, and another pill 20 days later to achieve effective contraceptive effects. Long-acting contraceptives mainly contain artificially synthesized progesterone and long-acting estrogen, which can inhibit ovulation and play a long-term contraceptive role. It is suitable for women who cannot have an intrauterine device and are unwilling to use other contraceptive methods.

When contraceptive pills are effective depends not only on the type of contraceptive pills but also on the individual circumstances of women. However, most contraceptive pills come with instructions, which you can read in detail or consult a doctor if you don't know when to take them. If your period is delayed for too long after taking contraceptives, you should check whether the contraceptive has failed.

How to take three common contraceptive pills

1. Short-acting contraceptives: The main ingredients are progesterone and estrogen. It has the effects of inhibiting ovulation, hindering the normal growth of the endometrium, changing the properties of cervical mucus and changing the normal peristalsis of the fallopian tubes. Suitable for women without underlying diseases or diabetes. Start taking the medicine on the 5th day from the day of menstruation, 1 tablet every night for 22 consecutive days, which can prevent pregnancy for 1 month.

2. Emergency contraceptive pills: the main ingredient is progesterone. The drug's mechanism of action is basically the same as that of short-acting contraceptives. Suitable for women under 40 years old. The main ones are Yuting, Nuoshuang, Baoshiting and Mifepristone tablets. Generally, the first tablet should be taken within 72 hours after sexual intercourse, and then another tablet should be taken 12 hours later. The earlier you take it, the better the effect.

3. Long-acting contraceptive pills: Generally, take one tablet on the fifth day after menstruation, and another tablet after 20 days. Contains synthetic progestin and long-acting estrogen. After the drug enters the human body, it will be stored in the fat tissue and then slowly released to inhibit ovulation and act as a long-term contraceptive. It is suitable for women who cannot have an intrauterine contraceptive device and are unwilling to use other contraceptive methods.