DAZ1 and oligospermia: Subsequent SNP array analysis of amniocytes revealed a 2.3 Mb genomic gain in Yq11.221q11.222 (encompassing one OMIM gene) and a 6.1 Mb genomic loss in Yq11.222q11.23, spanning 18 OMIM genes and encompassing HSFY1, PRY,DAZ1, AZFb, and AZFc, which are associated with azoospermia, oligospermia, and infertility (Figure 3C).