Ovulation is a vulnerable period in a woman’s body and can lead to diarrhea due to other external factors, but you do not need to be too nervous, the common causes are as follows: first, it may be cold, during ovulation women’s immune system will decline, cold, cold may lead to ovulation diarrhea. Second, it may be due to fatigue and nervous stress, the digestive tract function by the autonomic deployment, excessive tension may also cause diarrhea. Third, it may be due to hormonal disorders that lead to imbalanced diarrhea. Various hormones in the body will indirectly act on the digestive system, and if the hormones are imbalanced, it may lead to gastrointestinal dysfunction and diarrhea. Fourth, the nervous system regulation becomes weak. Some women may experience nervous system regulation disorder during ovulation, and the autonomic control of the gastrointestinal tract function may be weakened, resulting in diarrhea.