GPC4 and polycystic ovary syndrome: Among the 44 cases of PCOS, 29 (65.9%) women were phenotype A, 4 (9.1%) women were phenotype B, 5 (11.4%) women were phenotype C, and 6 (13.6%) women were phenotype D. The median galanin levels were lower (20.2 pg/mL vs. 26.4 pg/ mL, p = 0.002), whereas the median glypican-4 levels were higher (3.1 ng/mL vs. 2.6 ng/mL) in women with PCOS as compared to the women in the control group.