HNF1B and Mayer-Rokitansky-Kuster-Hauser syndrome: As reported, array-CGH detected a microdeletion at chromosome 17q12, which encompasses LHX1 and HNF1B genes, in one MRKH affected women of our Italian cohort, so confirming this region as the most frequent chromosomal alteration associated with MRKH syndrome39–43.