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Updated: May 7, 2026

Swimming Exercise Protocol and Care Methods for Pregnant Rats

Swimming Exercise Protocol and Care Methods for Pregnant Rats

Published on: April 5, 2024

Controlled exercise is a safe pregnancy intervention in mice.

Kristen M Platt¹, Richard J Charnigo, Jeanie F Kincer

¹Graduate Center for Nutritional Sciences, College of Medicien, University of Kentucky, Lexington, Kentucky, USA.

Journal of the American Association for Laboratory Animal Science : JAALAS

|September 18, 2013

Summary

Controlled maternal exercise during pregnancy in mice did not negatively impact pregnancy success markers like litter size or pup survival. This study suggests exercise is a safe pregnancy intervention for further exploration.

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Area of Science:

Reproductive biology
Exercise physiology
Developmental biology

Background:

Pregnant women often adopt healthier lifestyles, including increased physical activity.
Understanding the effects of maternal exercise on pregnancy outcomes is crucial for public health.
A reliable animal model is needed to study controlled maternal exercise during gestation.

Purpose of the Study:

To develop and validate a mouse model for studying controlled maternal exercise during pregnancy.
To assess the impact of a standardized exercise regimen on dam health and reproductive success.
To evaluate the effects of maternal exercise on offspring development and survival.

Main Methods:

Female ICR and C57BL/6 mice were subjected to controlled wheel running (1 hour/day, 5 days/week) before and during pregnancy.

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Swimming Exercise Protocol and Care Methods for Pregnant Rats

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Published on: April 5, 2024

A Method to Study the Impact of Chemically-induced Ovarian Failure on Exercise Capacity and Cardiac Adaptation in Mice

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Key pregnancy success markers were monitored: dam body weight, food intake, pregnancy rates, litter size, pup weight, and litter survival.

The exercise protocol was maintained throughout the nursing period.

Main Results:

Controlled maternal exercise did not significantly alter dam body weight or food consumption.
No significant differences were observed in pregnancy rates, litter size, pup weights, or litter survival between exercise and control groups.
The established exercise paradigm demonstrated safety and feasibility in pregnant mice.

Conclusions:

The developed model of controlled maternal exercise is safe and does not adversely affect key pregnancy outcomes in mice.
This exercise paradigm provides a valuable tool for further research into the health benefits and mechanisms of maternal exercise during pregnancy.
Findings support the exploration of exercise as a safe pregnancy intervention.