The more common contraceptives are emergency contraceptive pills and short-acting contraceptives, emergency contraceptive pills can not regulate menstruation, short-acting contraceptives have the role of regulating menstruation.
1. Emergency contraceptive pills: the main component of emergency contraceptive pills is levonorgestrel, this drug is used within 72 hours after unprotected sexual intercourse, mainly a large number of progesterone, this drug does not regulate the role of menstruation, and the side effects of the drug may also cause menstrual disorders.
2. Short-acting contraceptive pills: short-acting contraceptive pills are mainly composed of estrogen and progesterone, this drug has the effect of regulating menstruation, the use of this drug is a regular dose of 21 days, after stopping the drug, the body’s hormone levels will drop, causing vaginal bleeding, continue to take the drug 7 days after the drug is discontinued, to regulate the menstruation, the establishment of artificial cycle.
There are different types of birth control pills and it is uncertain whether they can regulate irregular periods. If irregular menstruation occurs, it is recommended to clarify the cause of the disease under the guidance of a doctor and carry out targeted management. The use of the above medications is subject to medical advice.