174EFFECTIVENESS OF PLANNED TEACHING PROGRAMME OF MENSTRUAL HYGIENE ON KNOWLEDGE, ATTITUDE AND PRACTICE AMONG THE ADOLESCENT GIRLS IN GOVERNMENT SCHOOL IN CHENNAI , TAMILNADUAdolescence is the period of transition from childhood to adulthood. Puberty is a period in the growth and development of the child that encompasses the initiation and progression of sexual and physical maturation. The study aimed to assess the effectiveness of teaching programme of menstrual hygiene on knowledge, attitude and practice among the adolescent girls in government school in Chennai, Tamilnadu. 500 samples were selected, one group pretest, posttest design which is pre-experimental in nature is adopted for conducting the study. In this study, the investigator administered pretest for the selected adolescents girls and she manipulated the independent variables i.e. planned teaching programme on menstrual hygiene which was administered to the same group of adolescents girls. Then the post test was conducted. The results revealed significant positive correlation between the level of knowledge, attitude and practice of the menstrual hygiene after planned teaching menstrual hygiene programme.prasaniraj@yahoo.co.inResearch512015 Menstrual hygiene,Adolescence,Knowledge,Attitude,PracticeS.Anitha,KaruppiahPrincipal, Rajalakshmi College of Nursing, Thandalam, Chennai, Tamilnadu, India,H.O.D. of Sociology, Madras University, Chennai, Tamilnadu, India.