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Abstract Background Most of the millions of oral contraceptive (OC) users are under age 35 years and in the critical period for bone mass accrual. Study Design This cross-sectional study of 60 women aged 25–35 years examined both OC duration and progesterone type and their association with bone mineral density (BMD) at the femur & spine (DEXA) & serum alkaline phosphatase level. Results In 30 women 25-35 years old OC users their mean BMD was lower for spine and femur compared to 30 women 25-35 years old nonusers. Conclusions Prolonged use of current OCs, may adversely impact young adult women’s bone density while ingesting these agents. Keywords: Bone Mineral Density, Oral Contraceptives, Hormones, Peak Bone Density, Adolescents |