This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Heavy menstrual bleeding , Subject name: Gynaecology & Obstetrics
Menorrhagia is defined as 
Select and explain. 
A. Intermenstrual bleeding, B. Menses in less than 28 days, C. Increased loss of blood than normal during menses, D. Menses every more than 45 days.
C: Increased loss of blood than normal during menses
Answer: C: Increased loss of blood than normal during menses 
Explanation: Ans. c (Increased loss of blood than normal during menstrual cycle). (Ref. Shaw's textbook of Gynaecology 13th ed. 291)A normal menstrual blood loss is 50-80 ml, & does not exceed 100 ml. Menorrhagia is increase in duration & quantity of menstrual loss (> 100 ml).