Table 2.

Patterns of menstrual cycle among undergraduate students of DBU, Ethiopia (N=620)

Variables		Frequency	Percent (%)
Length of the menstrual cycle	<24days/frequent	16	2.6
	2438days/normal	408	65.8
	>38days/infrequent	3	0.5
Regularity of onset/inter menstrual difference	Regular (<10days)	70	11.3
	Irregular (10days)	123	19.8
Menstrual blood flow duration	8days/normal	596	96.1
	>8days/prolonged	24	3.9
Perception on menstrual blood flow	Light	116	18.7
	Normal	424	68.4
	Heavy	80	12.9
Overall menstrual cycle	Irregular	202	32.6
	Regular	418	67.4