New Health Experts Q&A Women’s Health Menstrual Health

Why is menstruation delayed?

Asked by:Aubrey

Asked on:Apr 02, 2026 09:01 AM

Answers:1 Views:443
  • Heimdall Heimdall

    Apr 02, 2026

      Why is menstruation delayed? The menstrual cycle is generally 28 to 30 days. About 7 days in advance or delay is still within the normal range, and the length of the cycle varies from person to person. But if this time is exceeded, women with normal menstruation will definitely become worried. It can be divided into four situations:

      1. Pregnant

      After the menstruation is delayed for 7 days, you can use the "pregnancy test strip" to test the urine. If it is positive, you are likely to be pregnant. If the "pregnancy test strip" is negative, it is vice versa. But if you are pregnant, you will also have other symptoms such as nausea, breast distended pain wait. Of course the last resort is to Hospital Have a B-ultrasound examination.

      2. drug effect

      For example, endocrine disorders after long-term use of contraceptive pills can also cause delayed menstruation. Based on patient feedback, doctors and doctors also found that the new generation gastric motility drug Domperidone, also known as domperidone, may also cause gastric cancer. Because dopamine does not easily penetrate the blood-brain barrier, it is believed to have no inhibitory effect on central dopamine receptors. The central dopamine receptors are inhibited, resulting in a decrease in the amount of factors released by the hypothalamus entering the anterior pituitary gland. Therefore, the secretion of gonadotropins and corticotropin hormones by the anterior pituitary gland decreases, leading to amenorrhea and delayed ovulation.

      3. Caused by surgery

      For example, uterine surgery can cause cervical adhesions and cause menstrual blood stasis, thus delaying menstruation.

      4. other

      Psychological factors such as mental stress, high pressure, environmental changes, and some endocrine-related factors disease wait. can cause delayed menstruation.

      Expert tip: If menstruation is only delayed once or twice occasionally, and there are no other accompanying symptoms, it does not fall into the category of menstrual disease. When the menstrual cycle interval is more than 35 days, it is called oligomenorrhea, and when the menstrual cycle interval exceeds 3 menstrual cycles, it is called oligomenorrhea. amenorrhea . Due to the lack of ovulation after amenorrhea, it can also lead to osteoporosis, Uterus Problems such as intimal hyperplasia must be taken seriously. You should go to the hospital immediately for a comprehensive examination. 》》》 What causes women’s prolonged menstruation?