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Ultrasound I: Abdominal Ultrasonography

Ultrasound I: Abdominal Ultrasonography

Introduction:
Abdominal ultrasonography, commonly known as abdominal ultrasound, is a vital, non-invasive medical imaging technique widely used in healthcare.
Procedure:
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Ultrasonography

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Ultrasonography is an imaging technique that uses high-frequency sound waves to visualize the body's internal structures. It is a non-invasive and safe procedure that does not involve the use of ionizing radiation, making it widely used in various medical fields. Ultrasonography is used to study heart function, blood flow in the neck or extremities, certain conditions such as gallbladder disease, and fetal growth and development.
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Ultrasound II: Endoscopic Ultrasound and FibroScan

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Endoscopic Ultrasound (EUS):

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Related Experiment Video

Updated: Jun 26, 2025

A Novel Use of Three-dimensional High-frequency Ultrasonography for Early Pregnancy Characterization in the Mouse

A Novel Use of Three-dimensional High-frequency Ultrasonography for Early Pregnancy Characterization in the Mouse

Published on: October 24, 2017

First-Trimester Ultrasound Screening in Routine Obstetric Practice.

Bryann Bromley¹, Lawrence D Platt

¹Department of Obstetrics, Gynecology and Reproductive Biology, Massachusetts General Hospital, Harvard Medical School, Boston, and Diagnostic Ultrasound Associates, Brookline, Massachusetts; and the Center for Fetal Medicine and Women's Ultrasound, Department of Obstetrics and Gynecology, David Geffen School of Medicine at UCLA, Los Angeles, California.

Obstetrics and Gynecology

|May 9, 2024

Summary

This summary is machine-generated.

Early fetal anatomy ultrasound is crucial for detecting structural malformations, offering timely care and reproductive options. This screening should be offered to all pregnant patients, regardless of aneuploidy screening results.

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Published on: June 29, 2013

Area of Science:

Medical Imaging
Prenatal Diagnosis
Fetal Medicine

Background:

Technological advancements and increased expertise in fetal imaging have improved the detection of fetal structural development.
First-trimester fetal anatomical assessment is a critical component of prenatal care.

Purpose of the Study:

To emphasize the importance of standardized first-trimester fetal anatomical evaluation for all pregnant patients.
To highlight the limitations of relying solely on cell-free DNA screening for aneuploidy.

Main Methods:

Standardized ultrasound imaging protocol for fetal anatomy assessment at the end of the first trimester.
Comparison of outcomes between comprehensive first-trimester ultrasound and cell-free DNA screening alone.

Main Results:

First-trimester ultrasound identifies approximately half of all fetal structural malformations.
Early anomaly detection facilitates genetic counseling, diagnostic testing, and specialist consultation.
Omitting early anatomical evaluation can delay diagnosis until later in pregnancy.

Conclusions:

First-trimester fetal anatomical assessment should be universally offered, irrespective of aneuploidy screening results.
Early ultrasound improves the quality of obstetric care and preserves reproductive options.
Cell-free DNA screening alone may miss significant structural anomalies detectable in the first trimester.