The normal menstruation just past a week again can lead to women’s troubles and need to pay attention to the situation again. The following reasons can be analyzed through the color and amount of bleeding: 1, a small amount of brown discharge, bleeding time can be inferred for most of the ovulation period, the human body will have hormone level changes before and after ovulation, progesterone fluctuations lead to a little shedding of the endometrium and bleeding occurs. The symptoms will subside naturally in less than a week. 2. A small amount of bright red bloody discharge is considered to have moderate or severe vaginitis or cervical redundancy, and the strenuous movement of sex makes the inflammatory stimulation of the vaginal wall or cervical redundancy rub and bleed. 3. Bleeding similar to menstrual flow needs to be considered if the endocrine system is disrupted and causes shortening of the menstrual cycle, resulting in frequent menstruation. It is recommended to go to the hospital to check ultrasound, sex hormone level, etc., and regulate menstruation according to the results.