Instructional Module on Knowledge Regarding Menstrual Hygiene among School Girls at Selected School

School girls have to essential needed of menstrual hygiene. It is a female reproductive cycle starting period. They have the initial period of menarche. A preexperimental study was conducted to assess the effectiveness of instructional module on knowledge regarding menstrual hygiene among school girls at a selected school in Chengalpattu district. Total of 100 school girls were selected using purposive sampling technique. The study findings revealed that 97% of school girls to improve the adequate knowledge and 3% of school girls have moderately adequate knowledge regarding menstrual hygiene.