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Related Experiment Videos

Fetal growth disturbances.

P M Doubilet1, C B Benson

  • 1Department of Radiology, Harvard Medical School, Boston, MA.

Seminars in Roentgenology
|October 1, 1990
PubMed
Summary
This summary is machine-generated.

Diagnosing fetal growth restriction (IUGR) and large for gestational age (LGA) fetuses requires combining estimated fetal weight, amniotic fluid volume, and maternal hypertension. Doppler ultrasound aids prognosis when IUGR is suspected.

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Area of Science:

  • Perinatology
  • Maternal-Fetal Medicine
  • Diagnostic Ultrasound

Background:

  • Intrauterine growth restriction (IUGR) is a fetal disorder marked by diminished fetal growth, primarily in the third trimester.
  • IUGR is linked to increased perinatal mortality and morbidity, stemming from placental insufficiency, maternal, or fetal factors.
  • Large for gestational age (LGA) fetuses, especially macrosomic infants over 4,000 grams, face risks from obstetrical complications, particularly in diabetic mothers.

Purpose of the Study:

  • To evaluate diagnostic criteria for Intrauterine Growth Restriction (IUGR) and macrosomia.
  • To determine the most effective parameters for diagnosing fetal growth abnormalities.
  • To assess the role of Doppler ultrasound in managing suspected IUGR.

Main Methods:

Related Experiment Videos

  • Combined assessment of estimated fetal weight (EFW), amniotic fluid volume, and maternal hypertension for IUGR diagnosis.
  • Utilizing Doppler ultrasound to ascertain prognosis in suspected IUGR cases.
  • Evaluating the accuracy of EFW in diagnosing LGA and macrosomia, with specific attention to diabetic mothers.

    • Main Results:

    • No single conventional or Doppler ultrasound criterion confidently diagnoses IUGR.
    • A combination of EFW, amniotic fluid volume, and maternal hypertension is most effective for IUGR diagnosis or exclusion.
    • EFW shows moderate accuracy for LGA/macrosomia (67% general, 77% diabetic), influencing delivery decisions in diabetic pregnancies.

    Conclusions:

    • Prenatal diagnosis of IUGR is best achieved by combining EFW, amniotic fluid volume, and maternal hypertension.
    • Doppler ultrasound is valuable for prognostication once IUGR is suspected.
    • Accurate EFW measurement is crucial for managing LGA and macrosomic infants, particularly in diabetic pregnancies, guiding delivery route decisions.