What diseases can cause prolonged menstruation?

　　The normal duration of menstruation is 2 to 7 days, and a few are 3 to 5 days. If your period lasts for more than 7 days, it is considered to be a prolonged period. Prolonged menstruation should be taken seriously and the cause should be investigated in depth. Usually with the following disease related:

　　◆(1) Blood diseases such as thrombocytopenic purpura, aplastic anemia etc., often accompanied by menstrual cramps. If severe Uterus Bleeding, prolonged menstruation. Others, such as chronic anemia, chronic hepatitis, cirrhosis, nephritis, etc., can weaken the blood vessel wall and increase permeability, causing bleeding.

　　◆(2)pelvic inflammatory disease Symptoms, intrauterine hyperplasia, endometritis, etc. are all caused by poor intrauterine femoral blood circulation, degeneration and necrosis, or pelvic congestion. Menorrhagia and prolonged menstruation.

　　◆(3) Chronic uterine hypertrophy (uterine myositis) due to pelvic congestion, ovarian estrogen continues to increase, resulting in hypertrophy of the uterine myometrium, causing menorrhagia and prolonged menstruation.

　　◆(4) Uterine fibroids, especially submucosal fibroids, can cause abnormal contractions due to the enlargement of the uterine cavity, which can lead to menorrhagia and prolonged menstruation.

　　◆(5) Dysfunctional uterine bleeding, such as anovulatory dysfunctional uterine bleeding and irregular shedding of the endometrium, all cause prolonged menstruation due to endocrine dysfunction.

　　◆(6) Endometriosis often causes menorrhagia or prolonged menstruation by affecting the contraction of the myometrium or strengthening the endometrium.

　　◆(7) Placing an IUD can also easily cause prolonged menstruation.

　　Therefore, prolonged menstruation is caused by systemic diseases, and there are many other factors. Gynecology The causes of the disease should be differentiated and identified, and then treated separately.