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oligohydramnios
Deficiency of amniotic fluid
Etiology:
- premature rupture of placental membranes
- fetal oligouria
Epidemiology:
- 4% of pregnancies
Pathology:
- compression of the fetal abdomen limiting movement of the diaphragm
- pulmonary hypoplasia
- fetal heart conduction abnormalities
- umbilical cord compression
- poor tolerance of labor
- fetal acidosis
Clinical manifestations:
- meconium staining of the amniotic fluid
- lower Apgar scores
Physical examination:
- check blood pressure
Laboratory:
- antinuclear antibody screen for SLE
- liver function tests
- complete blood count
- low platelet count (HELLP syndrome)
- urine protein for proteinuria
- serum uric acid for elevation
Special laboratory:
- fetal ultrasound
Complications:
- high mortality
Management:
- bedrest
- oral hydration
- OB-Gyn consult
Related
amniotic fluid
polyhydramnios (hydramnios)
General
pregnancy disorder; obstetric disorder; pregnancy complication
sign/symptom
References
- Boyd RL
MedScape: Polyhydramnios and Oligohydramnios
http://emedicine.medscape.com/article/975821-overview