There are many factors that can cause irregular menstruation.

For female friends, there are always a few days in a month that will make them particularly upset. There are many factors around us that cause irregular menstruation . If patients do not pay attention to the causes of irregular menstruation, the disease will continue to spread. Let the experts explain the causes of irregular menstruation.

1. Due to problems with implantation or endometrial support during pregnancy, there will be irregular menstruation in the early stages of pregnancy. At this time, you need to be careful about premature birth or miscarriage.

2. Hormone imbalance. The most common cause of irregular menstruation, especially in adolescent girls and menopausal women, is anovulatory bleeding caused by hormonal imbalance, which results in irregular menstruation during the first menstruation or near menopause. It also causes the unrestricted growth of the endometrium, resulting in breakthrough bleeding, so the amount of menstrual blood is often small and dark brown in the early stage, which will develop into heavy bleeding over time.

3. Thyroid problems. If the thyroid function is too low or too high, it will cause ovarian dysfunction and irregular menstruation.

4. Poor liver function. Poor liver function can slow down female hormone production, causing endometrial hyperplasia and abnormal bleeding.

5. Tumors. Cervical cancer, endometrial cancer, ovarian cancer and some tumors that secrete female hormones can cause endometrial hyperplasia and irregular menstruation, or direct invasion of the cervix by the tumor, causing bleeding.

The above information is about the causes of irregular menstruation. I hope it can help everyone. In fact, in general, the purpose of experts introducing these causes of irregular menstruation is to enable patients to control the spread of the disease in time. Healthy people understand these causes of irregular menstruation in order to do preventive work as early as possible.