The reason why there is still blood on the 7th day of menstruation may be due to physiological factors or pathological factors such as endometrial thickening and submucosal fibroids of the uterus.
1. Physiological reasons: some women have a menstrual period of 2 to 7 days, and there is still red blood on the 7th day, which is normal and can be observed first. If there is still vaginal bleeding in the following days, it is recommended to go to the hospital for consultation.
2. Thickening of the endometrium: excessive thickening of the endometrium is a pathological state, caused by endocrine disorders, long-term estrogen stimulation or drug stimulation, which may be manifested by the symptom of blood on the 7th day of menstruation.
3. Submucous fibroid: Submucous fibroid is mainly located under the mucous membrane, and the endometrium has menstrual, proliferative and secretory phases with the increase of hormone level in the body. Therefore, for submucosal fibroids, it is easy to cause endometrial rupture and bleeding, resulting in blood on the 7th day of menstruation.
Clinical symptoms of blood on the 7th day of menstruation, should go to the regular hospital to do ultrasound and gynecological examination, in order to clarify the diagnosis and symptomatic treatment, during the period of time, need to pay attention to change the underwear, keep the vulva clean and so on.