Studi Perbandingan Ekspresi mRNA Gen Leptin (LEP) dan Neuropeptida-Y (NPY) pada Wanita Sindrom Ovarium Polikistik (SOPK) dan Non-SOPK dengan Obesitas dan Non-obesitas = Comparative Study of Leptin (LEP) and Neuropeptide-Y (NPY) mRNA Gene Expression in Polycystic Ovary Syndrome (PCOS) and Non-PCOS with Obese and Non-obese Women