Data presented as Means ± SD (median, IQR). *Student's t test. **Mann-Whitney test. KISS1: Kisspeptin, LEP: Leptin, NPY: Neuropeptide-Y, PDYN: Prodynorphin, TAC3: Tachykinin-3,PCOS: Polycystic ovary syndrome. Here, PDYN is linked to polycystic ovary syndrome.