Oligohydramnios refers to a situation where the amniotic fluid volume is less than expected for gestational age. Often these fetuses have <500 mL of amniotic fluid.


The estimated prevalence can be up to ~6% of pregnancies 4.



The causes of oligohydramnios are protean and one way to simplify them is by using the mnemonic DRIPPC:


Radiographic assessment

Antenatal ultrasound

Several sonographic criteria can be used which include:

Treatment and prognosis

Development of oligohydramnios early in pregnancy is generally a poor prognostic marker. Amnio-infusion can be attempted in severe cases if appropriate.


See also

Ultrasound - obstetric
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Article Information

rID: 4798
System: Obstetrics
Section: Gamuts
Synonyms or Alternate Spellings:

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