Objective: To determine the risk of endometrial neoplasia in relation to endometrial thickness and to evaluate factors influencing endometrial thickness in reproductive-aged Thai women with polycystic ovary syndrome (PCOS).
Methods: The present cross-sectional study was done at the Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand, between October 1, 2010, and January 31, 2013. We recruited women (aged ≥18 years) with PCOS diagnosed according to the revised 2003 Rotterdam criteria.