The sudden bleeding below may be related to endocrine disorders, and the decline of estrogen may lead to bleeding from the lower body. Taking special drugs such as emergency contraceptives and abortion drugs may also cause sudden bleeding below. Pathological changes in the endometrium, such as endometrial polyps and endometritis, may also lead to sudden vaginal bleeding.
1. Women of all ages may experience this situation. Everyone's vaginal bleeding is different. It is necessary to first determine whether it is physiological or pathological.
2. Endocrine disorders can lead to sudden vaginal bleeding. For example, a decline in estrogen or progesterone may suddenly cause vaginal bleeding.
3. Taking certain medications clinically, such as progesterone and emergency contraceptives, may cause withdrawal bleeding. Emergency contraceptives contain a large amount of progesterone, and withdrawal bleeding will occur about a week after taking them, usually indicating successful contraception. The bleeding is caused by the withdrawal bleeding caused by contraceptives.
4. Pathological changes in the endometrium, such as endometrial polyps, endometritis, and endometrial cancer, may lead to sudden vaginal bleeding.
5. Submucosal uterine fibroids and endometrial polyps may also cause sudden bleeding.
6. Threatened miscarriage caused by pregnancy or sudden vaginal bleeding after exertion or sexual activity.
7. Once non-menstrual vaginal bleeding occurs clinically, detailed examination must be performed before treatment can be given.