How frequently should the amniotic fluid index be performed during the course of antepartum testing?

Fishman, Alan; Gonzalez, Cheryl; Richard, H; Paul, M.D.

doi:10.1016/0002-9378(95)90978-8

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“…In contrast, because of concerns about uteroplacental insufficiency in postterm patients and the potential relatively rapid decrease of amniotic fluid volume that may occur in this clinical condition, twice-weekly amniotic fluid volume assessments are uniformly practiced. 12,[71][72][73][74][75] Although induction of labor in postterm patients with oligohydramnios (AFI Յ5 cm or no vertical pocket >2 cm) is considered the standard of care, adherence to this practice clearly results in subsequent increases in labor complications and the incidence of operative delivery potentially without significantly improving outcome. [76][77][78] Doppler velocimetry has assisted the management of pregnancies complicated by oligohydramnios.…”

Section: Significance Of Oligohydramniosmentioning

confidence: 99%

A Review of Amniotic Fluid Dynamics and the Enigma of Isolated Oligohydramnios

Sherer¹

2002

Am J Perinatol

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Traditionally, oligohydramnios has been implemented as a sign of potential fetal compromise and associated with an increased incidence of adverse perinatal morbidity and mortality. Decreased amniotic fluid volume is especially of concern when it occurs in conjunction with structural fetal anomalies, fetal growth restriction, postdates pregnancies, and maternal disease. Consequently, following ultrasonographic diagnosis of oligohydramnios at term, delivery is routinely advocated even in otherwise uncomplicated pregnancies with an appropriate-for-gestational-age fetus, irrespective of the presence of reassuring fetal evaluation and the absence of maternal disease. Numerous factors complicate the ultrasonographic diagnosis of oligohydramnios. These include a lack of complete detailed understanding of the physiology of the dynamics of oligohydramnios, the transient condition at times of decreased amniotic fluid volume, generally poor performance of ultrasonography in detecting oligohydramnios, an array of different ultrasound diagnostic criteria, and varying ultrasonographic thresholds. In light of the latter and the lack of prospective randomized data, is unclear that the practice of effecting delivery for isolated oligohydramnios at term is justified. This article presents physiologic dynamics of amniotic fluid, factors that may affect amniotic fluid volume, possible pitfalls in the ultrasonographic assessment of amniotic fluid volume, and the clinical significance of oligohydramnios. In addition, the literature regarding perinatal outcome associated with oligohydramnios and current available data supporting expectant noninterventional management of cases complicated by isolated oligohydramnios at term are discussed.

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Section: Significance Of Oligohydramniosmentioning

confidence: 99%

A Review of Amniotic Fluid Dynamics and the Enigma of Isolated Oligohydramnios

Sherer¹

2002

Am J Perinatol

View full text Add to dashboard Cite

show abstract

How frequently should the amniotic fluid index be performed during the course of antepartum testing?

Cited by 1 publication

References 0 publications

A Review of Amniotic Fluid Dynamics and the Enigma of Isolated Oligohydramnios

A Review of Amniotic Fluid Dynamics and the Enigma of Isolated Oligohydramnios

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