How Rh Isoimmunization Cause Polyhydramnios?

Incompatible blood types: When a mother has an Rh-negative blood type and a baby has Rh-positive blood, this can cause the baby to develop a type of anemia, which can, in turn, lead to polyhydramnios.

How does spina bifida cause polyhydramnios?

The following can cause polyhydramnios: A condition that causes your baby to urinate too much. Swallowing problems, such as from a cleft palate or a tumor, that prevent your baby from swallowing amniotic fluid. A birth defect, such as spina bifida or Down syndrome.

What is the most common cause of polyhydramnios?

Common causes of polyhydramnios include gestational diabetes, fetal anomalies with disturbed fetal swallowing of amniotic fluid, fetal infections and other, rarer causes. The diagnosis is obtained by ultrasound. The prognosis of polyhydramnios depends on its cause and severity.