VEGFA and polycystic ovary syndrome: The correlation between VEGF gene polymorphisms and the risk of PCOS has attracted growing attention in recent years, among which the most widely investigated SNPs are rs2010963 (G > C), rs833061 (T > C), rs3025039 (C > T), rs699947 (A > C), and rs1570360 (A > G), but the results from different studies remain highly controversial.