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Related Experiment Video

Updated: Jul 16, 2026

Fetal Echocardiography and Pulsed-wave Doppler Ultrasound in a Rabbit Model of Intrauterine Growth Restriction
14:19

Fetal Echocardiography and Pulsed-wave Doppler Ultrasound in a Rabbit Model of Intrauterine Growth Restriction

Published on: June 29, 2013

Interval between fetal measurements in predicting growth restriction.

P Owen1, S Maharaj, K S Khan

  • 1Department of Obstetrics, Glasgow Royal Maternity Hospital, Glasgow, Scotland, UK. philipowen1@hotmail.com

Obstetrics and Gynecology
|March 29, 2001
PubMed
Summary

Optimal fetal growth restriction (FGR) prediction relies on 4- to 6-week intervals for fetal measurements. Shorter intervals, like 2 weeks, are less effective for predicting FGR using fetal growth velocity.

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Area of Science:

  • Perinatology
  • Maternal-Fetal Medicine
  • Fetal Development

Background:

  • Fetal growth restriction (FGR) is a major cause of perinatal morbidity and mortality.
  • Accurate prediction of FGR is crucial for timely intervention.
  • Fetal growth velocity is a key parameter in assessing fetal well-being.

Purpose of the Study:

  • To evaluate how different intervals between fetal biometric measurements impact the accuracy of predicting FGR.
  • To determine the optimal scanning interval for calculating fetal growth velocity to identify infants with anthropometric features of FGR.

Main Methods:

  • Serial fetal biometry was performed on 274 low-risk women at scheduled intervals.
  • Fetal abdominal area growth velocity was calculated using 2-, 4-, and 6-week scan intervals.

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Human Fetal Blood Flow Quantification with Magnetic Resonance Imaging and Motion Compensation

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Related Experiment Videos

Last Updated: Jul 16, 2026

Fetal Echocardiography and Pulsed-wave Doppler Ultrasound in a Rabbit Model of Intrauterine Growth Restriction
14:19

Fetal Echocardiography and Pulsed-wave Doppler Ultrasound in a Rabbit Model of Intrauterine Growth Restriction

Published on: June 29, 2013

High Frequency Ultrasound for the Analysis of Fetal and Placental Development In Vivo
06:43

High Frequency Ultrasound for the Analysis of Fetal and Placental Development In Vivo

Published on: November 8, 2018

Human Fetal Blood Flow Quantification with Magnetic Resonance Imaging and Motion Compensation
06:56

Human Fetal Blood Flow Quantification with Magnetic Resonance Imaging and Motion Compensation

Published on: January 7, 2021

  • FGR was defined by specific anthropometric parameters: skinfold thickness, ponderal index, and midarm circumference-to-occipitofrontal circumference ratio.

    • Main Results:

    • A 4-week interval for fetal abdominal area velocity showed significant predictive power for FGR across all anthropometric measures.
    • A 6-week interval also demonstrated strong predictive capabilities, particularly for the midarm circumference-to-occipitofrontal circumference ratio.
    • A 2-week interval and an early third-trimester 4-week interval yielded lower predictive values (likelihood ratios < 5).

    Conclusions:

    • Four- and 6-week measurement intervals are effective for predicting FGR and are superior to a 2-week interval.
    • The proximity of the last fetal measurement to the delivery date influences the clinical utility of growth velocity for FGR prediction.
    • Optimizing scan intervals is essential for improving the accuracy of FGR prediction using fetal growth velocity.