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Updated: Jun 20, 2025
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Author Spotlight: Enhancing the Offspring Health in Rats with Maternal Exercise During Pregnancy
Published on: April 5, 2024
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Exercise during pregnancy Dose: Influence on preterm birth outcomes.
Alex Claiborne1, Breanna Wisseman1, Kara Kern1
1Department of Kinesiology, East Carolina University (ECU), Greenville, NC, USA; Human Performance Laboratory, ECU, Greenville, NC, USA; East Carolina Diabetes & Obesity Institute, ECU, Greenville, NC, USA.
Summary
Increased prenatal exercise volume and duration positively impact preterm birth outcomes. Greater exercise dose is linked to reduced infant hospital stays and improved Apgar scores in neonates.
Area of Science:
- Obstetrics and Gynecology
- Neonatal Health
- Exercise Physiology
Background:
- Preterm delivery poses significant health risks and financial burdens for neonates.
- Prenatal exercise dose influences birth outcomes, potentially mitigating risks associated with preterm birth.
Purpose of the Study:
- To investigate the effect of supervised prenatal exercise dose on preterm birth occurrence.
- To assess the impact of prenatal exercise on health outcomes for preterm neonates.
Main Methods:
- Retrospective analysis of pooled data from three randomized controlled trials.
- Assessed prenatal exercise dose (aerobic, resistance, combination) throughout pregnancy.
- Collected data on gestational age, birth weight, neonatal morphometrics, and Apgar scores for 21 women.
Main Results:
- Exercise during pregnancy showed a trend towards later preterm deliveries (p=0.08).
- Increased prenatal exercise volume and duration correlated with shorter infant hospital stays (p=0.02).
- Higher weekly exercise volume was associated with improved Apgar scores (p=0.01).
Conclusions:
- Greater prenatal exercise volume and duration are associated with improved birth outcomes in preterm neonates.
- Supervised prenatal exercise interventions may positively influence neonatal health and reduce healthcare burdens.
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