Average blood loss in normal menstruation: (A) 50 mL, (B) 80 mL, (C) 100 mL, (D) 120 mL
Answer is A. The duration of menstruation is 4-5 days and the amount of blood loss estimated to be 20-80ml with an average of 35ml. Reference: D.C.DUTTA&;S TEXTBOOK OF GYNECOLOGY; 6th edition; PG NO:82