Menstruation resembles water very faint what reason

Menstruation is as light as water in women, there are several cases: 1, in the view of traditional Chinese medicine, to consider is caused by weak qi and blood. 2, and in Western medicine, may be due to insufficient blood supply to the uterus, endometrial exfoliation obvious, containing less venous blood, so it will show this performance. 3, may be ovarian endocrine dysfunction, caused by abnormal phenomenon. After showing this kind of situation, it is necessary to check the color Doppler ultrasound and sex hormone 6 items to judge the specific causes. If necessary, you can directly find traditional Chinese medicine for conditioning.