What are the causes of irregular menstruation?

What is the reason for irregular menstruation?

Irregular menstruation refers to the instability of the menstrual cycle and the length of menstruation, the intervals may be different, or the menstruation may last too long or too short. There are many reasons for irregular menstruation, including physiological and pathological reasons.

1. Physiological reasons:

1. Menstrual period: About one year before menarche and menopause, the menstrual cycle is irregular and the length of menstruation varies, but generally there is no need to worry too much.

2. Prenatal and postpartum period: During pregnancy, changes in hormone levels in the body may cause irregular menstruation. After childbirth, women's menstrual cycles may change, leading to irregular menstruation.

3. Menopause: After women enter menopause, due to changes in ovarian function and hormone secretion, the menstrual cycle may be disrupted, and even long-term amenorrhea may occur.

4. Puberty: During puberty, due to physical development and fluctuations in hormone levels, girls often have irregular menstruation and unstable cycles.

2. Pathological causes

1. Abnormal ovarian function: If the ovaries secrete less or more estrogen, it may lead to irregular menstruation.

2. Uterine abnormalities: Endometrial hyperplasia, adenomyosis, uterine fibroids, etc. may cause irregular menstruation.

3. Hormone imbalance: Hormone imbalance: Symptoms of hormone imbalance such as polycystic ovary syndrome and thyroid dysfunction may lead to irregular menstruation.

4. Malnutrition: Long-term unbalanced diet, malnutrition, and lack of trace elements can lead to irregular menstruation.

5. Living environment: Long-term tension, excessive stress, staying up late and other living environment factors can also lead to irregular menstruation.

6. Side effects of drugs: Some drugs, such as antibiotics, birth control pills, antidepressants, etc., may cause irregular menstruation.