Introduction

Menstrual cycle refers to regular cyclic hormonal and endometrial changes in preparation for ovulation and potential pregnancy. The Length of Menstrual cycle ranges from 21 to 35 days (28±7 days)

Menstruation refers to cyclic vaginal bleeding under coordinated hormonal shifts. The first menstrual period is known as menarche which is attained at the age of 11 to 16 years . Length of Menstrual period is between 3 to 7 days with maximum blood loss ranging from 35mls to 80mls per cycle.