Ovarian teratoma may cause heart palpitations, and may also cause abdominal distension and pain and other symptoms. 1. Palpitations: Ovarian teratoma is a disease with high morbidity, which may induce severe abdominal pain, constipation or palpitations. If the ovarian teratoma ruptures and reverses, it may even induce acute abdominal pain or severe abdominal cramps. 2. Other symptoms: in the early stage of ovarian teratoma, it is easy to cause abdominal swelling and abdominal mass symptoms, if not pay attention to active treatment, with the growth of mass, it will easily lead to the compression of the surrounding nerves and muscle tissues, inducing other uncomfortable symptoms. Therefore, ovarian teratoma has a certain degree of harm, it is recommended that patients need to go to the regular hospital as soon as possible to receive examination and treatment.