Definition: In the middle of two regular menstrual periods, i.e. the ovulation period, due to a brief drop in estrogen levels caused by ovulation, the endometrium of some women loses the support of estrogen, and endometrial shedding occurs, resulting in regular vaginal bleeding, which is referred to as ovulation bleeding. Let’s better understand what is ovulation and the mechanism of ovulation bleeding according to the following pictures: Clinical manifestations: generally occurs in the regular menstrual cycle of the 12th to 16th day, usually lasts for a few hours or 2 to 3 days, not more than 7 days, the amount is significantly less than the normal menstrual bleeding, the bleeding can be stopped by itself. It may be accompanied by mild lower abdominal discomfort or lower back pain, or no accompanying discomfort. Treatment: Oral estrogen can be taken in small amounts. For example, take a small amount of oral estrogen, such as Tonicare, starting on the 8th to 10th day of the menstrual cycle and taking it for 3 to 7 days. A small amount of hemostatic drugs can also be taken to treat the symptoms. Prognosis: Ovulatory bleeding usually occurs occasionally, the bleeding is small, some are only coffee-colored discharge, most of them can stop by themselves in 2 to 3 days, and can be observed without treatment. For women with persistent ovulation bleeding, as it occurs during ovulation, it usually interferes with conception and needs to be treated accordingly after other diseases are ruled out. Prevention: 1, understand the physiology of ovulation, pay attention to the ovulation period to maintain a happy spirit, avoid mental stimulation and emotional fluctuations, pay attention to keep warm, avoid cold stimulation, avoid overwork. 2, pay attention to ovulation health, prevent infection, pay attention to the hygiene and cleanliness of the external genitalia, bleeding period prohibit sexual intercourse. 3, ovulation should not eat cold, sour and spicy and other stimulating food, drink more boiled water, keep the bowel movement. Ovulation bleeding is not a special disease, nor is it a precursor to pregnancy, but if the bleeding is large, dripping, or timely hospital consultation.