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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 it is by using the following mnemonic: DRIPPC 


Radiographic assessment

Antenatal ultrasound

Several sonographic criteria can be used which include:

Treatment and prognosis

Development of oligohydramnios early is pregnancy is generally a poor prognostic marker. An amnio-infusion can be carried in severe cases in the appropriate situation.


See also

Related articles

Ultrasound - obstetric

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