Polycystic ovarian syndrome (PCOS) is a condition in which woman has an imbalance of female sex hormones. This may lead to changes in the menstrual cycle, cyst in the ovary, failure to conceive and causes other health problems. It affects 5% to 10% of women in their reproductive age group and is the leading cause of infertility.1 Purpose of the study was to assess the knowledge on polycystic ovarian syndrome among adolescent girls with a view to prepare a self instructional module regarding PCOS in selected colleges at Coimbatore. Quantitative approach with a descriptive design was adopted. Samples were selected by simple random sampling techinique. Knowledge on PCOS was assessed by structured questionnaire followed by the distribution of self-instructional module. Results revealed that Majority of the adolescent girls had inadequate knowledge on polycystic ovarian syndrome and there is no significant association between level of knowledge with selected demographic variables.

Keywords: Polycystic ovarian syndrome; Adolescent girls.