VDR and uterine corpus leiomyoma: However, one of the findings indicated that there is no observed correlation between the VDR variants rs731236, rs1544410, and rs2228570, and the incidence of uterine leiomyoma in Caucasian women, reinforcing the concept that SNPs linked to vitamin D metabolism and skin color are connected to the presence of uterine fibroids in African-American women [36].