When to take contraceptive pills after sex

Emergency contraceptive pills need to be taken only when both men and women have not taken proper contraceptive measures or the condom breaks. The best time to take them is within 24 hours after sex, and it is best to take them on an empty stomach. You cannot eat within 2 hours after taking them, and the latest time should not exceed 72 hours. Taking them beyond 72 hours will have no effect. However, you should pay attention to the adverse reactions that may be caused by taking contraceptive pills.

When is the contraceptive pill effective?

Common contraceptives generally refer to oral contraceptives. The main principle of contraceptives is to achieve the purpose of contraception by inhibiting ovulation and changing cervical mucus, making it difficult for sperm to implant. Therefore, if you want contraceptives to have the greatest contraceptive effect, you should pay attention to choosing the corresponding time of taking them according to the characteristics of different contraceptives.

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.