The brownish color of the menstrual period has been 10 days, usually suggests a small amount of vaginal bleeding, consider and mental factors, drug factors, disease factors. 1. Psychological factors: some women may be in long-term depression, nervousness, panic and other negative emotions, will have an impact on the hypothalamus and pituitary function, and then endocrine imbalance, ovarian function abnormalities, causing the menstrual brownish amount of long duration and other discomforts. 2. Drugs: If women blindly take all kinds of contraceptives for a long period of time, it may affect the normal function of the body, which may lead to the occurrence of menstrual irregularities, and the symptoms of low and prolonged brownish color of menstruation may occur. 3. Disease factors: the situation of low brown menstrual flow can not be ruled out due to pregnancy, inflammation of the reproductive tract, uterine fibroids, endometriosis, uterine adhesions and other factors, causing scanty menstruation, reduced menstrual flow, the symptoms of low brown menstrual flow lasting a long time. There may also be other causes for the prolonged brownish colored menstrual flow, so if necessary, you need to cooperate with your doctor to do further examination to clarify the situation.