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Fetal gallbladder growth and development during gestation

L Chan1, B K Rao, Y Jiang

  • 1Department of Obstetrics/Gynecology, Jefferson Medical College, Temple University School of Medicine, Philadelphia, Pennsylvania 19140, USA.

Journal of Ultrasound in Medicine : Official Journal of the American Institute of Ultrasound in Medicine
|June 1, 1995
PubMed
Summary
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This study established normal fetal gallbladder dimensions from 15 to 40 weeks gestation. These findings provide a baseline for evaluating fetal gallbladder growth during pregnancy.

Area of Science:

  • Perinatology
  • Fetal Medicine
  • Medical Imaging

Background:

  • Accurate fetal biometry is crucial for assessing intrauterine growth and development.
  • The fetal gallbladder's dimensions are not well-established across all gestational ages.
  • Establishing normative data aids in the prenatal diagnosis of fetal anomalies.

Purpose of the Study:

  • To determine the normal dimensions of the fetal gallbladder throughout pregnancy.
  • To establish reference ranges for fetal gallbladder length, anteroposterior diameter, and transverse diameter.
  • To provide a basis for prenatal evaluation of fetal gallbladder growth.

Main Methods:

  • Prospective measurement of fetal gallbladder dimensions in 300 normal fetuses.
  • Measurements included length, anteroposterior dimension, and transverse dimension.

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  • Gestational age ranged from 15 to 40 weeks of gestation.

    • Main Results:

    • Fetal gallbladder length, anteroposterior diameter, and transverse diameter showed a linear relationship with gestational age up to 30 weeks.
    • A plateau in these dimensions was observed after 30 weeks of gestation.
    • Calculated gallbladder area, volume, and sagittal perimeter demonstrated consistent intrauterine growth rates.

    Conclusions:

    • Normative dimensions for the fetal gallbladder have been established for the entire pregnancy period.
    • These established dimensions serve as a reference for prenatal assessment of fetal gallbladder growth.
    • This data can aid in identifying and evaluating aberrant fetal gallbladder development prenatally.