This symptom is considered to be a reaction to ovulation, medically known as ovulatory abdominal pain. The reason for this symptom is considered to be related to changes in endocrine hormone levels, such as fluctuations in estrogen levels. Usually occurs in the middle of two menstrual periods during ovulation, there will be pain in the lower abdomen accompanied by blood in the leukorrhea, but this symptom usually does not last too long, usually about three days the symptoms can be relieved on their own, do not worry, there is no need for special treatment, and there is no major impact on health.