Ovulatory abdominal pain needs to be differentiated from acute appendicitis and acute pelvic inflammatory disease. Ovulation abdominal pain for one side of the abdominal discomfort, pain usually a few hours or a few days will gradually ease, the end of ovulation symptoms will disappear. 1. Acute appendicitis: Typical symptoms include metastatic right lower abdominal pain, accompanied by fever, nausea, vomiting and other symptoms. 2. Acute Pelvic Inflammatory Disease: In addition to lower abdominal pain, it is often accompanied by other clinical symptoms such as increased purulent leukorrhea and fever. If a woman is in the ovulation period, the occurrence of mild abdominal pain can be observed, the pain relieved by itself is generally not a big problem, but also pay attention to whether there are other symptoms, if there should be timely medical care.