New endometriosis target genes detected include EEFSEC (eukaryotic elongation factor, selenocysteine-TRNA specific) on chromosome 3q21.3, SRD5A3 (steroid 5 α-reductase 3) on chromosome 4q12, ADK (adenosine kinase) on chromosome 10q22.2, and HOXC cluster on chromosome 12. Here, SRD5A3 is linked to endometriosis.