Also found in: Dictionary.
deficiency in the amount of amniotic fluid, defined as 500 mL or less at term and smaller amounts at earlier gestational ages.
The presence of an insufficient amount of amniotic fluid (less than 300 mL at term).
[oligo- + G. hydōr, water, + amnion]
hypamnios(hip-am'ne-os, hi?pam') [ hypo- + amnion, caul of a lamb]
A deficiency in the amount of amniotic fluid.See: oligohydramnios