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 Concept Videos

Estimation of the Physical Quantities01:05

Estimation of the Physical Quantities

On many occasions, physicists, other scientists, and engineers need to make estimates of a particular quantity. These are sometimes referred to as guesstimates, order-of-magnitude approximations, back-of-the-envelope calculations, or Fermi calculations. The physicist Enrico Fermi was famous for his ability to estimate various kinds of data with surprising precision. Estimating does not mean guessing a number or a formula at random. Instead, estimation means using prior experience and sound...
Clearance Models: Noncompartmental Models01:17

Clearance Models: Noncompartmental Models

Clearance is a pharmacokinetic parameter traditionally defined by compartment models, signifying the rate at which a drug is expelled from the body. However, a noncompartmental model offers an alternative method for assessing clearance, primarily employing empirical data obtained after administering a single drug dose.
The noncompartmental approach capitalizes on extensive sampling data, correlating the volume of distribution to systemic exposure and the administered dosage. This method enables...

You might also read

Related Articles

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

Sort by
Same author

Sustained reduction in program-reported TB death rate in six districts following Tamil Nadu <i>Kasanoi Erappila Thittam</i> in southern India.

Global health action·2026
Same author

Reduction in TB Death Rate in Dharmapuri, Karur, and Villupuram Following Tamil Nadu <i>Kasanoi Erappila Thittam</i> (TN-KET).

Indian journal of community medicine : official publication of Indian Association of Preventive & Social Medicine·2026
Same author

India's 2021 differentiated TB care guidance: Is it feasible to implement and act upon?

The Indian journal of tuberculosis·2025
Same author

Growth and metabolic functions of Schizolobium amazonicum subjected to nickel doses.

Brazilian journal of biology = Revista brasleira de biologia·2025
Same author

Retention and Patient Satisfaction of Conventional Over Simplified Non-Balanced Maxillary Removable Complete Dentures.

The European journal of prosthodontics and restorative dentistry·2023
Same author

Can growth in dichorionic twins be monitored with individualized growth assessment?

Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology·2023

Related Experiment Video

Updated: Jun 20, 2026

The Perinatal Asphyxiated Lamb Model: A Model for Newborn Resuscitation
09:03

The Perinatal Asphyxiated Lamb Model: A Model for Newborn Resuscitation

Published on: August 15, 2018

New fetal weight estimation models using fractional limb volume.

W Lee1, M Balasubramaniam, R L Deter

  • 1Division of Fetal Imaging, Department of Obstetrics and Gynecology, Oakland University William Beaumont School of Medicine, Royal Oak, MI 48073-6769, USA. wlee@beaumont.edu

Ultrasound in Obstetrics & Gynecology : the Official Journal of the International Society of Ultrasound in Obstetrics and Gynecology
|September 3, 2009
PubMed
Summary

New fetal weight estimation models incorporating fractional limb volume show improved accuracy and precision over traditional methods. These advanced models offer better insights into fetal development and weight prediction.

More Related Videos

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

Related Experiment Videos

Last Updated: Jun 20, 2026

The Perinatal Asphyxiated Lamb Model: A Model for Newborn Resuscitation
09:03

The Perinatal Asphyxiated Lamb Model: A Model for Newborn Resuscitation

Published on: August 15, 2018

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

Area of Science:

  • Medical imaging and ultrasonography
  • Fetal biometry and growth assessment
  • Quantitative analysis of fetal development

Background:

  • Accurate fetal weight estimation is crucial for optimal pregnancy management and neonatal outcomes.
  • Conventional two-dimensional (2D) sonographic measurements have limitations in precision.
  • Incorporating three-dimensional (3D) ultrasonography and soft tissue parameters may enhance fetal weight estimation accuracy.

Purpose of the Study:

  • To evaluate the accuracy and precision of novel fetal weight estimation models.
  • To compare new models utilizing fractional limb volume with existing methods.
  • To assess the impact of soft tissue parameters on fetal weight prediction.

Main Methods:

  • Prospective cross-sectional study of 271 fetuses using 3D ultrasonography.
  • Collected standard biometry (BPD, AC, FDL) and fractional limb volumes (AVol, TVol).
  • Developed new models using regression analysis, including transformed predictors and soft tissue parameters, and compared them to modified Hadlock models.

Main Results:

  • New models demonstrated high accuracy with mean percent differences not significantly different from zero.
  • Models incorporating fractional limb volumes (Model 3: BPD, AC, AVol; Model 6: BPD, AC, TVol) achieved the highest precision (6.6% random error).
  • These models outperformed the best original Hadlock model (8.5% error) and a modified Hadlock model (7.6% error), improving classification within 5% and 10% of actual birth weight.

Conclusions:

  • Fractional limb volume measurements significantly enhance the precision of fetal weight estimation when added to conventional 2D biometry.
  • Novel fetal weight estimation models incorporating fractional limb volume provide valuable insights into soft tissue development's contribution to accurate weight prediction.