Patient's question:
Here is the translation of the provided content into English:The results of the laboratory tests: B and gynecological examination were all normal.
Doctor's answer:
There are many factors or causes, such as:(1) Disorders of ovarian endocrine function. Most common, such as dysfunctional uterine bleeding.
(2) Uterine bleeding related to pregnancy. Common include miscarriage, ectopic pregnancy, molar pregnancy, partial placental retention after delivery, incomplete uterine involution, etc.
(3) Inflammation. Common include vulvar ulcers, vaginal polyps, vaginitis, cervicitis, cervical polyps, and endometritis, etc.
(4) Tumors. Such as uterine fibroids, vulvar cancer, vaginal cancer, cervical cancer, endometrial cancer, uterine sarcoma, ovarian cancer, and choriocarcinoma.
(5) Trauma, foreign bodies, and drugs. Common reproductive tract injuries, such as vulvar or vaginal perineal trauma, or vaginal bleeding caused by sexual activity, such as hymen or vaginal injury. Placement of an intrauterine device often leads to uterine bleeding. Improper use of estrogen or progesterone can cause irregular vaginal bleeding.
(6) Vaginal bleeding related to systemic diseases. Such as thrombocytopenic purpura, aplastic anemia, leukemia, hypothyroidism, and liver dysfunction.