In this study, to assess the effectiveness of planned teaching on knowledge regarding prevention of osteoporosis among post menopausal women, 60 post menopausal women were selected by using convenient sampling technique. The pre test was conducted by using a structured interview questionnaire. Planned teaching was conducted on the same day and seven days later post test was conducted using the same structured interview questionnaire. Most of them had poor knowledge 25 (41.67%) in pre test after planned teaching 38 (63.33%) had very good knowledge and 21 (35%) had excellent knowledge, 1 (1.67%) had good level of knowledge. Paired ‘t’ test was applied to compare pre test and post test mean and SD. Knowledge on prevention of post menopausal osteoporosis was statistically significant (p<0.05). There was a significant association between post test knowledge score with selected demographic variable such as residence (p< 0.05) which was statistically confirmed with F test. This study demonstrated that planned teaching on prevention of osteoporosis is effective in improving the knowledge of post menopausal women.

Keywords: Post menopausal osteoporosis; Prevention.