VEGFA and endometriosis: Women with ascites complicating endometriosis had higher non-statistically significant serum VEGF concentration, and we reported lower minor allele frequencies of VEGF SNPs compared to other populations, with no association between endometriosis and − 460T > C, − 1154G > A, + 936C > T and + 2578C > A of VEGF gene among Nigerian women.