The result of endometrial polyps detected during ovulation is relatively accurate because the chance of error is also relatively low when ultrasound is done at this time. Endometrial polyps are caused by high estrogen levels in the body or chronic inflammation, resulting in overgrowth of the local endometrium. Having endometrial polyps may lead to increased menstrual flow, prolonged periods, and irregular vaginal bleeding. To check whether there are endometrial polyps, usually avoid the menstrual period, the best menstrual period just clean check, in the ovulation period is also can be checked, this time is usually do ultrasound, the impact on the body is relatively small. If the ultrasound suspected endometrial polyps, it is recommended to do hysteroscopy 3 to 7 days after the menstrual period is clean, if necessary, take a biopsy to do a pathological examination, you can determine whether it is endometrial polyps.