How many days is your aunt's normal cycle?

Menstruation is the female endometrium under the joint action of estrogen, progesterone, periodic shedding and showing bleeding phenomenon called menstruation. Menstruation cycle is the first day of this month, to the first day of the next menstruation called menstrual cycle. Generally 28 days to 30 days, a week ahead or delayed, is also normal. Menstruation period is 3 to 7 days, menstrual volume about 30 ml to 80 ml. Menstruation women's physique will be relatively weak, so pay attention to more rest, eat more fresh fruits and vegetables, supplement protein. In addition, but also prohibit sexual life and bath.