When is the latest time to take birth control pills?

Common emergency contraception generally refers to birth control pills. When is the appropriate time to take emergency contraception? The main principle of emergency contraception is to achieve the purpose of contraception by inhibiting ovulation and changing cervical mucus, making it difficult for sperm to implant in the embryo. Therefore, in order for emergency contraception to play a greater contraceptive effect, it is necessary to choose the appropriate time of administration according to the characteristics of different emergency contraceptives.

1. When is the best time to take birth control pills: As emergency contraceptive pills, the first pill is usually taken 72 hours after sexual intercourse, and the second pill is taken 12 hours later. The sooner you take it, the better the effect. The main ingredient of the contraceptive pill is estrogen. The basic principle of the drug's efficacy is basically the same as that of short-term contraceptives and is suitable for women under 40 years old.

2. When is the best time to take short-term contraceptives: Short-term contraceptives should be taken starting on the 5th day from the day of menarche, 1 tablet every night for 22 consecutive days, which can provide contraceptive effects for 1 month. The main function of short-term contraceptives is to inhibit ovulation and prevent the normal growth of the uterine wall. It is suitable for women without underlying diseases or diabetes.

3. When is the best time to take long-term contraceptive pills: Generally, take one tablet on the fifth day after menarche, and another tablet 20 days later to achieve the actual effect of effective contraceptive measures. Long-term contraceptive pills mainly contain synthetic estrogen and high-efficiency estrogen, which can inhibit ovulation and play a long-term contraceptive role. It is suitable for women who cannot have an IUD and are unwilling to use other contraceptive methods.

When is the best time to take emergency contraception depends not only on the type of emergency contraception but also on the woman's personal situation. However, general emergency contraception comes with additional instructions. If you are not sure when to take it, you can read the article in detail or consult a doctor. If your period is delayed for too long after taking emergency contraception, you should check whether you are accidentally pregnant.