Table 2.

Menstrual details of the study participants

S. No	Characteristic	Frequency (n=650)	Percentage (%)
Age at menarche
1	<12 years	108	16.6
2	13-15 years	470	72.3
3	>16 years	72	11.1
Regularity of the menstrual cycles
1	Regular	573	88.2
2	Irregular	77	11.8
Duration of the menstrual cycle
1	Less than 21 days	22	3.4
2	21-35 days	589	90.6
3	More than 35 days	39	6
Duration of menstrual flow
1	Less than 2 days	49	7.5
2	2-7 days	588	90.5
3	More than 7 days	13	2
Passing clots during menstrual flow
1	Yes	109	16.8
2	No	541	83.2
Presence of pain during menstruation
1	Yes	242	37.2
2	No	408	62.8