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Ultrasound Estimation of Fetal Macrosomia at Term: Diagnostic Accuracy Within 24 Hours of Delivery

RecruitingNAAges 18 Years - anyFemaleCentre Hospitalier Henri Duffaut - Avignon
NCT07433751 on ClinicalTrials.gov ↗
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In plain words

What the trial is, and whether it could suit you

Obstetric ultrasonography is now an essential tool for monitoring pregnancy. In France, three ultrasounds are recommended during a singleton pregnancy (at 12, 22, and 32 weeks of amenorrhea) to improve maternal and neonatal care. Among the parameters studied, fetal weight estimation allows for the assessment of fetal growth and the detection of certain conditions such as intrauterine growth restriction or macrosomia. Fetal weight estimation is based primarily on the Hadlock formula, which combines several biometric measurements (head circumference, abdominal circumference, and femur length). This estimate has a margin of error of 6 to 10% compared to birth weight, which is still accurate enough to guide important medical decisions, such as inducing labor or performing a cesarean section. However, an estimation error can have negative consequences for both mother and child. Fetal macros

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📋 Eligibility rules (as published)
Inclusion Criteria: * Age ≥ 18 years old. * Patient with suspected fetal macrosomia above the 95th percentile, or above the 90th percentile in the case of maternal diabetes, according to Hadlock's formula and WHO charts, during the third-trimester ultrasound (between 32 and 34 weeks of amenorrhea). * Female patient presenting for a follow-up ultrasound at 36 ± 1 weeks of amenorrhea due to suspected macrosomia. * Singleton pregnancy. Exclusion Criteria: * Fetal weight estimation at 36 ± 1 weeks of amenorrhea and macrosomia assessment performed outside of the hospital. * Patient with uncertain gestational age. * Patient with a multiple pregnancy * Presence of detectable morphological or chromosomal abnormalities.
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What it tests

  • Ultrasound estimation of fetal macrosomia at 12 weeks of amenorrhea
  • Ultrasound estimation of fetal macrosomia at 22 weeks of amenorrhea
  • Ultrasound estimation of fetal macrosomia at 32 weeks of amenorrhea
  • Ultrasound estimation of fetal macrosomia before birth
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Where

1 site
Centre Hospitalier d'Avignon, Hôpital Henri Duffaut
Avignon, France
🤝 Taking part is your choice, and you can leave at any time. Only the trial team can confirm you are eligible — always decide together with your own doctor.
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