Lagrew, D C How frequently should the amniotic fluid index be repeated? [electronic resource] - American journal of obstetrics and gynecology Oct 1992 - 1129-33 p. digital Publication Type: Journal Article ISSN: 0002-9378 Standard No.: 10.1016/s0002-9378(12)80054-8 doi Subjects--Topical Terms: Amniotic Fluid--physiologyFemaleGestational AgeHeart Rate, FetalHumansOligohydramnios--diagnosisPregnancyPrenatal Care--methodsPrenatal DiagnosisRetrospective Studies