Most of the meatus flowing out with menstruation in women is usually a mixture of shed endometrium, which feels like a meatus due to being larger and thicker and containing some of the blood clots formed inside. Also when women suffer from submucosal fibroids, endometrial polyps and other ischemia and necrosis, it can lead to affect the contraction of blood vessels in the pelvic cavity, which may also lead to an increase in the volume of menstruation, and if it does not flow out in time, it can also coagulate into a meatus situation. If the women occasionally appear in the menstrual period this lump of discharge, no lower abdominal pain, you can first pay attention to observe, if the women in the period often appear this more lump of the situation, but also pay attention to whether the women’s endometrium is suffering from malignant changes, it is best to use diagnostic scraping or hysteroscopic examination, send pathological examination to clarify the nature of the lesion, and under the guidance of the doctor symptomatic treatment.