Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Menstrual age-dependent systematic error in sonographic fetal weight estimation: a mathematical model.

Max Mongelli1, Arjit Biswas

  • 1Department of Obstetrics and Gynecology, National University Hospital, Kent Ridge Road, Singapore 119074.

Journal of Clinical Ultrasound : JCU
|April 12, 2002
PubMed
Summary
This summary is machine-generated.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Adopting a consensus on the dose of antenatal steroids used by obstetric and neonatal services in Singapore in anticipation of imminent preterm birth.

Singapore medical journal·2025
Same author

Ultrasound in the management of obesity in pregnancy.

Australasian journal of ultrasound in medicine·2021
Same author

Comparison of adverse pregnancy outcomes based on the new IADPSG 2010 gestational diabetes criteria and maternal body mass index.

The Australian & New Zealand journal of obstetrics & gynaecology·2017
Same author

First trimester growth: is it influenced by cigarette smoking, and other substances?

Australasian journal of ultrasound in medicine·2017
Same author

Advances in mathematical models of fetal growth: implications for ultrasound practice.

Australasian journal of ultrasound in medicine·2017
Same author

Estimation of uterine volume: A comparison between Viewpoint and 3D ultrasound estimation in women undergoing laparoscopic hysterectomy.

Australasian journal of ultrasound in medicine·2017
Same journal

Prenatal and Postnatal Ultrasound Findings of Congenital Diaphragmatic Hernia Associated With Myelomeningocele, Chiari II Malformation, and Renal Dysplasia.

Journal of clinical ultrasound : JCU·2026
Same journal

Cerebroplacental-Uterine Ratio Improves Prediction of Composite Adverse Perinatal Outcomes in Pregnancies Complicated by Maternal Anemia.

Journal of clinical ultrasound : JCU·2026
Same journal

Extracranial Meningiomas of the Left Neck.

Journal of clinical ultrasound : JCU·2026
Same journal

Teaching Point: Determining Chorio-Amnionicity in Early Triplet Pregnancy Using a Single-Shot Image Obtained by Three-Dimensional Ultrasound.

Journal of clinical ultrasound : JCU·2026
Same journal

Noninvasive Preoperative Assessment of Sentinel Lymph Node Metastasis in Breast Cancer Using Super-Resolution Ultrasound Microvascular Imaging.

Journal of clinical ultrasound : JCU·2026
Same journal

Intra-Abdominal Umbilical Vein Varix With Postnatal Portal Vein Thrombosis: A Case Report.

Journal of clinical ultrasound : JCU·2026
See all related articles

Computer modeling shows volumetric formulas offer the most consistent accuracy for estimating fetal weight across all stages of pregnancy. Other methods vary significantly with gestational age.

Area of Science:

  • Obstetrics and Gynecology
  • Medical Imaging
  • Fetal Medicine

Background:

  • Accurate fetal weight estimation is crucial for optimal pregnancy management.
  • Sonographic formulas are widely used but their accuracy can vary with gestational age.

Purpose of the Study:

  • To evaluate the accuracy of various sonographic formulas for fetal weight estimation.
  • To compare formula performance across the full range of clinically significant menstrual ages using computer modeling.

Main Methods:

  • Utilized computer modeling with British standards for sonographic biometric data.
  • Assessed 10 different fetal weight estimation formulas.
  • Compared simulated sonographic estimates against expected birth weights from 24 weeks' gestation to term.

Related Experiment Videos

Main Results:

  • Formula accuracy varied significantly by menstrual age and formula type.
  • Most formulas tended to overestimate fetal weight at term.
  • Volumetric formulas (Combs's, Shinozuka's) demonstrated the least variation in accuracy across menstrual ages.

Conclusions:

  • Sonographic fetal weight estimation using volumetric formulas provides more consistent accuracy throughout pregnancy compared to other methods.
  • The choice of formula impacts accuracy, with volumetric approaches being more reliable across gestational ages.