1. Noun. (medicine) An excess of amniotic fluid in the amniotic sac. ¹
¹ Source: wiktionary.com
1. Idiopathic (60%), maternal (20%), diabetes, Rh incompatibility (foetal hydrops), foetal (20%), neural tube defect, GI obstruction (proximal to ileum), cardiac, dwarfism, placental chorioangioma see also: oligohydramnios (12 Dec 1998)