Will my period be abnormal if I take birth control pills?

Whether taking birth control pills will affect menstruation depends on the type of birth control pills. If you are taking emergency birth control pills, it may cause delayed menstruation or even amenorrhea. If you are taking long-term short-acting birth control pills, as long as you follow the doctor's advice and take the medicine in a standardized manner, it will generally not affect menstruation.

Contraceptive pills are currently a commonly used contraceptive method. Compared with condoms, contraceptive pills have much greater adverse effects on women's health. In particular, some women will experience abnormal vaginal bleeding or delayed menstruation after taking contraceptive pills. Will taking contraceptive pills cause abnormal menstruation?
1. Will taking birth control pills cause irregular menstruation?
1. Emergency contraceptive pills can affect menstruation <br/>If you take emergency contraceptive pills, it may affect your menstruation. Because these contraceptive pills contain a lot of progesterone, which can affect the endocrine function of the ovaries and cause abnormal female hormone levels. Eventually, it may cause irregular menstruation or even worse, amenorrhea.
2. Long-term and short-term contraceptives generally do not affect menstruation . Under normal circumstances, if you take long-term and short-term contraceptives continuously during menstruation according to the instructions, it will not cause menstrual disorders. However, if you stop taking the medicine without authorization or take it irregularly, it may cause bleeding symptoms such as irregular menstruation.
2. Why does taking emergency contraceptive pills cause irregular menstruation?
1. Causes of early menstruation <br/>Due to the excessive progestin content in emergency contraceptive pills, this will significantly interfere with the growth of the endometrium, and the endometrium may experience withdrawal bleeding, which is like the state of early menstruation.
2. Causes of delayed menstruation <br/>Emergency contraceptive pills are highly effective progestins that achieve contraception by inhibiting ovulation and changing the endometrium and fallopian tube function. Therefore, menstrual disorders often occur, and most women experience delayed menstruation or even amenorrhea.