Human pathology

Home page > E. Pathology by systems > Genital system > Fetus and annexes > Amnion and amniotic sac > polyhydramnios

polyhydramnios

Definition: Excess of amniotic fluid.

Associations - Predisposing factors - ETiology

- multiple pregnancy
- major malformations

- chromosomal diseases

- fetal myotonic dystrophia (Steinert myotonic dystrophia)
- Prader-Willi syndrome (12704750)
- myasthenia gravis (8372081)
- Perlman syndrome
- placental hemangioma

- fetal macrosomia
- transfused fetus in twin-twin transfusion (16969785)

- maternal diabetes mellitus

- osteochondrodysplasias

Complications

- premature onset of labor and prematurity
- cord prolapse
- fetal malpresentation
- postpartum hemorrhage

See also

- hydrops fetalis