It should be noted that, if confirmed in other independent studies, the data obtained in our study on the strongly associated FSH-heightening, and LH- and testosterone-lowering of the FSHB promoter loci (TT haplotype of the rs11031002 and rs11031005) with a higher risk of endometriosis may in the future (find application in clinical practice. This evidence concerns the gene BRD2 and endometriosis.