Why is menstruation delayed? These 3 main reasons are

With the faster and faster development of society, many women will suffer from irregular menstruation due to irregular work and rest, staying up late to work overtime, taking diet pills, contraceptives, etc. This is why many women often have delayed menstruation when their period is due. In addition, women’s emotions are also crucial to menstruation. So what is the reason why women do not have their periods for a long time?

1. Pregnancy causes amenorrhea

If a woman has sexual intercourse, she can use an early pregnancy test strip to test her urine 7 days after her period is delayed. If she is pregnant, the result will be positive; if she is not pregnant, the result will be negative. Of course, the best way to detect pregnancy is to go to the hospital for an ultrasound examination.

2. Side effects of medications leading to amenorrhea

Drugs can affect women's endocrine system. For example, taking birth control pills, weight-loss pills, drainage drugs, etc. can cause endocrine disorders in women, thereby affecting menstruation and causing amenorrhea.

(1) Contraceptive pills: The main ingredients of contraceptive pills are progesterone and estrogen. By taking contraceptive pills, women’s ovulation is inhibited, thereby interfering with the combination of egg and sperm, achieving the purpose of contraception. However, if you take too many birth control pills, the drug ingredients will affect the ovaries' secretion of estrogen, and the endometrium will not grow normally, resulting in a thin endometrium, which will lead to a decrease in menstrual flow or even amenorrhea.

(2) Diet pills: For example, hormonal diet pills generally contain thyroid hormones. Improper use of diet pills can easily lead to menstrual disorders in women, symptoms of irregular menstruation or amenorrhea, affecting normal menstruation, and in severe cases may cause infertility.

(3) Abortion drugs: Medical abortion generally involves taking the receptor-level anti-progesterone drugs mifepristone and misoprostol tablets. These drugs will inhibit central dopamine receptors, reduce the amount of hypothalamic release factors entering the anterior pituitary, and thus lead to a decrease in the secretion of gonadotropin and corticotropin by the anterior pituitary, leading to amenorrhea and delayed ovulation. After the drainage drugs enter the human body, they will damage the endometrium, which requires a period of time to repair. Generally, menstruation will resume about a month after the medical abortion, but menstruation may not come for 40-50 days.

3. Surgery causes amenorrhea

The surgery will affect menstruation. For example, intrauterine surgery may cause cervical adhesion, resulting in menstrual blood stasis in the uterus, and symptoms of amenorrhea and delayed menstruation.

(1) Abortion: Abortion generally includes vacuum aspiration and curettage. If the curettage is performed improperly, it can easily damage the cervix or the basement membrane of the endometrium, causing adhesion of the internal os of the cervix or partial adhesion of the uterine wall, thus leading to amenorrhea.

(2) Ovarian cyst surgery: After ovarian cyst surgery, the uterus and ovaries need some time to recover. Some women resume menstruation one month after the surgery.