ADGRG2 and congenital bilateral aplasia of vas deferens from CFTR mutation: In all 103 CAVD patients without ADGRG2 gene variant, 46 (44.7%) carried 7 T/7 T alleles, 47 (45.6%) carried 5 T/7 T alleles, and 10 (9.7%) carried 5 T/5 T alleles.