<prompt> Polyhydramnios not seen in -AnencephalvRenal agenesisHydropsfetalisChorioangioma of placenta  <response>: Ans. is b i.e., Renal agenesis Etiology of Poivhvdrammoso Fetal anomaliesy Anencephalyy Open spina bifiday Esophageal or duodenal atresiay Facial clefts and neck massesy Hydropsfetalisy Aneuploidyo Placentay Chorioangioma of placentao Multiple pregnancyy Maternal diabetes: cardiac or renal disease. 