[Bilateral kidney dysplasia with ascites in premature newborn infant].

The case refers to a premature newborn with anhydramnios and related foot malformations, renal dysplasia (Potter II-IV) and marked ascites. Hypoplasia of one umbilical cord artery was also found. Renal dysplasia according to Potter classification was difficult to be assessed being a borderline case between grade II and IV. The mother underwent methimazole and oestroprogestin treatment in the first period of pregnancy.