oligohydramnios (disease) A lower than normal quantity of amniotic fluid in the amniotic sac as compared to normal values. Typically associated with an amniotic fluid index (AFI) of less than 5 cm or a single maximum vertical pocket (MVP) of less than 2 cm. Consider obsoleting as represents a finding DOID:12215 EFO:0007401 HP:0001562 ICD10:O41.0 ICD10:O41.00 ICD9:658.0 ICD9:658.00 MESH:D016104 MONDO:0005881 SCTID:59566000 antepartum oligohydramnios delivered oligohydramnios oligohydramnios oligohydramnios - delivered placenta disease