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Oligohydramnios

Last reviewed dd mmm yyyy. Last edited dd mmm yyyy

Authoring team

This is too little amniotic fluid. The normal range is 400-1500 ml.

It is defined clinically as the absence of fluid surrounding the fetus. On ultrasound scanning it is defined as a pool depth of amniotic fluid of less than 2 cm - the normal range is from 2 to 10cm.


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