Taking birth control pills the day after

If short-term contraceptives are taken on the first day of menarche, they will immediately produce a contraceptive effect. If they are taken within five days before menarche, they must be taken for seven consecutive days to have a contraceptive effect. Therefore, if you do not take good contraceptive measures during sexual intercourse, you need to take contraceptives later to have a contraceptive effect.

Classification and operation methods:

Emergency contraception is divided into short-term contraceptives, high-efficiency contraceptives, strong contraceptives, contraceptives, etc. They can be taken purposefully according to different contraceptive requirements.

1. Short-acting contraceptive pills

Generally, you can start taking it from the 5th day of the menstrual period, 1 tablet (pill) a day, for 22 consecutive days without interruption. If you accidentally miss a dose, you should take 1 tablet within 24 hours. Your period will come 2 to 4 days after stopping the medication, and then you should take the next cycle of medicine on the 5th day of your period. If you still don't have your period after 7 days of stopping the medication, you should start taking the next cycle of medicine first. The contraceptive measure is effective, with an effectiveness rate of about 100%. It is currently the most widely used type of steroid emergency contraception in the world.

The key ones include triphasic contraceptive tablets, norethindrone acetate tablets (No. 1 oral contraceptive tablets), megestrol acetate tablets (No. 2 oral contraceptive tablets), No. 0 emergency contraceptive tablets, etc. Imported drugs include Marvelon, Mindio, etc. For oral contraceptive tablets No. 1, No. 2, and No. 0, take one tablet every night starting from the fifth day after menarche, for 22 days; for Marvelon and Mindio, take one tablet a day starting from the first day after menarche, for 21 days. A small number of people experience nausea, vomiting, and other early pregnancy reactions and vaginal bleeding after taking the medicine.

2. Highly effective contraceptive pills

It mainly relies on ethinyl estradiol to be stored in the fat tissue of the human body and then slowly released to exert its high efficacy. Take 1 tablet on the 5th day of menarche, and then take 1 tablet every 28 to 30 days. This type of medicine and food is simple and has good practical effects. However, side effects such as early pregnancy-like reactions and increased vaginal discharge are more common. Contains artificial estrogen and high-potency estrogen. After the drug enters the body, it will be stored in the fat tissue and then released slowly, inhibiting ovulation and playing a long-term contraceptive role. It is suitable for women who cannot have an IUD inserted and are unwilling to use other contraceptive methods. The key is the high-efficiency levonorgestrel oral tablets made from spiny seeds. Generally, take one tablet on the fifth day after menarche, and another tablet 20 days later. Not as effective as short-term contraceptive pills.