Here, to further investigate if reduced antral follicle GC in human PCOS subjects could be a result of higher galectin-3, non-PCOS GCs (Supplementary Table 3) were treated with FF of non-PCOS and PCOS subjects (1:10 dilution) and cell proliferation was assessed by Ki67 staining. Here, LGALS3 is linked to polycystic ovary syndrome.