The correct way to use ordinary contraceptive pills is to take them from the 1st or 5th day of menstruation, and they should be taken for 21 or 22 consecutive days to avoid missing doses.
Ordinary contraceptive pills are short-acting contraceptive pills, which should be taken under doctor’s supervision. Compound norethindrone tablets should be taken from the 5th day of menstruation for 22 consecutive days. Compound desogestrel tablets are taken from the 1st day of menstruation for 21 days. Both of them can start the 2nd cycle 7 days after stopping the medication. Serious cardiovascular diseases, acute and chronic liver and kidney diseases should be excluded before taking the pill.
Side effects such as irregular vaginal bleeding, nausea and vomiting may occur after taking ordinary contraceptive pills. Avoid missing pills during the period of taking the pill, if there is a leakage, make up the pills in time, and be alert to the possibility of contraceptive failure. If you miss 3 tablets, you should stop taking the pill and restart the next cycle after bleeding, and the use of specific drugs should follow the doctor’s instructions.