Normal duration of menstrual flow is :
Duration of menstruation - 2-7 days Amount of blood loss - 20 to 50 mL with an average of 35 mL. Nearly 70 percent of total menstrual blood loss occurs in the first 2 days.
2-7 days
7-10 days
2 days
5-9 days
Normal Menstruation, Abnormal Menstruation, Menopausal Physiology and forsight of conception