Polyhydramnios

Polyhydramnios is the accumulation of increased volumes of amniotic fluid.

Demarcation

Common causes of polyhydramnios not related to renal disorders include maternal diabetes mellitus, fetal malformations and chromosomal aberration, twin-to-twin transfusion syndrome, rhesus incompatibility, and congenital infections.

Diseases

Antenatal Bartter syndrome type 1
	Polyhydramnios in antenatal Bartter syndrome often is so prominent that relief is sought by paracentesis.
Antenatal Bartter syndrome type 2
	Polyhydramnios of often so prominent that relief is sought by paracentesis.
Infantile Bartter syndrome with deafness type 4
	Polyhydramnios can be the first, antenatal, Symptom.