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Related Experiment Video

Updated: Jul 22, 2025

A Pipeline to Characterize Structural Heart Defects in the Fetal Mouse

A Pipeline to Characterize Structural Heart Defects in the Fetal Mouse

Published on: December 16, 2022

Cardiac Dimensions in Normal Pregnancy: A Prospective Study.

Ugoeze N Iloeje¹, Daniel Jesurobo², Abaram C Mankwe²

¹Internal Medicine/Cardiology, Federal Medical Centre, Yenagoa, NGA.

|July 25, 2023

Summary

Cardiac chamber sizes change during pregnancy, with most returning to baseline postpartum. Screening pregnant women for cardiovascular changes is advised for early detection and treatment.

Keywords:

cardiac dimensions cardiovascular disorders echocardiography pregnancy prospective study

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Last Updated: Jul 22, 2025

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Published on: December 16, 2022

Fetal Mouse Cardiovascular Imaging Using a High-frequency Ultrasound 30/45MHZ System

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Published on: May 5, 2018

Murine Fetal Echocardiography

Murine Fetal Echocardiography

Published on: February 15, 2013

Area of Science:

Cardiology
Obstetrics
Physiology

Background:

Pregnancy induces significant physiological changes, including cardiovascular system adaptations like chronic volume overload.
Cardiovascular disease in pregnancy is a leading cause of non-obstetric maternal mortality globally.

Purpose of the Study:

To quantify and describe alterations in left and right ventricular and atrial dimensions during normal pregnancy.
To track these cardiac chamber size changes from the first trimester through six weeks postpartum.

Main Methods:

A cohort study of 50 healthy pregnant women aged 18-40 years.
Echocardiographic assessments (2D, M-mode, Doppler) were performed in each trimester and six weeks postpartum.
Clinical, hematologic, biochemical, and anthropometric data were collected and analyzed.

Main Results:

Progressive increases in left ventricular posterior wall thickness, left atrial diameter, left ventricular internal diameter, and right atrial dimensions were observed from T1 to T3.
Left atrial volume index and right ventricular basal diameter followed a similar increasing trend.
Most cardiac chamber dimensions significantly decreased postpartum, returning to near-baseline levels.

Conclusions:

Significant changes in cardiac chamber sizes occur during pregnancy, largely reversing postpartum.
Screening apparently healthy pregnant women for cardiovascular changes is recommended for early detection and management of potential disorders.