PKD2 and autosomal dominant polycystic kidney disease: Another family with ADPKD caused by mutation c.1340_1346dup7 in PKD2 was also included in our studied group because the pregnancy of an affected mother with ADPKD was terminated, due to a prenatal finding showing bilateral massively enlarged kidneys of the fetus, caused by a large number of small cysts located in the Bowman’s capsule and tubules, as well as a severe form of pulmonary hypoplasia.