Background: Adolescent has been defined by world health organization as the period of the life spanning between 10 to 19 years. Adolescent girls are especially vulnerable to reproductive health problem, including early or unplanned pregnancy and infected by sexually transmitted disease like HIV and other serious reproductive health problem.1 Adolescence represents acceleration in terms of biological, psychosocial and sexual development.2 The reproductive health and sexual needs of an adolescent are not so openly discussed in Indian scenario due to cultural and traditional norms in society. Reproductive health is affected by a variety of socio cultural and biological factors on the one hand and the quality of the delivery system and its responsiveness to women's needs on the other. A woman based approach to reproductive health is one which responds to the needs of adult women and adolescent girls in a culturally sensitive manner.4 Inadequate information about sexuality and reproductive health has the potential to create misunderstanding in the youth, due to which they cannot adopt healthy practices and attitudes towards sex and reproductive health.5 Early intervention can alter pattern of behavior that would have placed adolescent girls at risk in later life. Therefore promoting of good reproductive health among adolescent girls is essential.

Objectives: The main objective of the study was to assess the effectiveness of the structured teaching program on knowledge regarding reproductive health among adolescent girls of a selected school, Uttarakhand.

Materials and Methods: The present study was conducted in Government Inter College, Doiwala, Uttarakhand. The research design was Pre Experimental, One Group Pre-test and Post-test Research Design. 50 adolescent girls were selected on the basis of inclusion criteria. Purposive sampling technique was used. The selected adolescent girl’s knowledge was assessed by using structured knowledge questionnaire. After assessing Pre-test knowledge, the Structure Teaching Program was given. After one week of Structured Teaching post-test was conducted with same questionnaire. The obtained data were analyzed by using Descriptiveand Inferential statistics.

Findings: The Pre-test finding revealed that among 50 samples, 50% (25) were having Inadequate knowledge, 44% (22) were having Moderate knowledge and 6% (3) were having Adequate knowledge. Whereas, in post-test it revealed maximum sample 94% (47) were having adequate knowledge and 6% (3) were having moderate knowledge.

The finding revealed that the meanpost-test score (23.24) were significantly higher than that of the mean pre-test score 10.32. The standard deviation of Pre-test was 3.771 and post-test was 2.264. The findings revealed an improved mean of 12.9 with ‘t’ value of 24.458 showing a high statistical significance at P <0.05 level.

Conclusion: All adolescents need support and care during this transition to adulthood, and some need special help. The lives of millions of adolescents worldwide are at risk because they do not have the information, skills and support they need to go through sexual development during adolescence. Reproductive teaching is increasingly recognized today as an important component of health care. The deficit in knowledge area suggests that basic fact regarding reproductive health. Nurses have unique role in educating the girls regarding different aspects of reproductive health. This study also highlighted that nurses should develop skill and knowledge to provide reproductive health among adolescent girls.