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Related Experiment Videos

Amniotic fluid assessment

K Williams1

  • 1Department of Obstetrics and Gynaecology, University of British Columbia, Vancouver, Canada.

Obstetrical & Gynecological Survey
|December 1, 1993
PubMed
Summary
This summary is machine-generated.

Assessing amniotic fluid volume using ultrasound is crucial for fetal well-being. While the amniotic fluid index and subjective assessment show good reliability, all methods are best used with other fetal biophysical variables for predicting perinatal outcomes.

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Area of Science:

  • Obstetrics and Gynecology
  • Fetal Medicine
  • Diagnostic Imaging

Background:

  • Amniotic fluid assessment is vital for evaluating fetal well-being.
  • Direct evaluation of amniotic fluid is challenging due to uterine cavity irregularity.
  • Indirect ultrasound techniques are employed for amniotic fluid assessment.

Purpose of the Study:

  • To review and evaluate current ultrasound techniques for amniotic fluid assessment.
  • To determine the validity and reliability of different methods.
  • To assess the predictive value of amniotic fluid assessment for perinatal outcomes.

Main Methods:

  • Review of three ultrasound techniques: maximum vertical pocket, subjective assessment, and amniotic fluid index.
  • Analysis of inter- and intraobserver variability for each technique.

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  • Evaluation of the predictive capabilities of these techniques for peripartum morbidity and mortality.

    • Main Results:

    • The amniotic fluid index technique is a valid method for assessment.
    • Both subjective assessment and amniotic fluid index demonstrate good inter- and intraobserver variability.
    • All three techniques can predict peripartum morbidity and mortality when decreased amniotic fluid is identified.

    Conclusions:

    • Amniotic fluid volume alone is a weak predictor of morbidity.
    • Amniotic fluid assessment should be integrated with other fetal biophysical variables.
    • Combined assessment aids in predicting perinatal outcomes effectively.