Strength Training During Pregnancy

Evidence-Based Benefits and How to Train Safely

Pregnancy is often treated as a time to slow down, but evidence suggests it’s a time to adapt, not stop. Resistance training during pregnancy has been shown to improve physical function, reduce pain, support mental health, and enhance quality of life when performed safely and progressively [1].

Inspired by the philosophy popularized by coaches like Brianna Battles, this approach rejects the idea that pregnant bodies are fragile. Instead, it emphasizes intelligent load management, movement competency, and resilience throughout all trimesters.

Why Strength Training Matters During Pregnancy

Improved Physical Function

Maintaining muscle mass supports posture, balance, and daily movement demands that increase as pregnancy progresses [1].

Reduced Musculoskeletal Pain

Strengthening the glutes, core, and posterior chain can reduce common pregnancy-related low-back and pelvic discomfort [1].

Mental Health & Energy Benefits

Exercise modulates stress hormones and improves mood and sleep quality, helping offset fatigue and anxiety during pregnancy [1].

Preparation for Labor and Postpartum Recovery

Strength training builds the physical capacity needed for labor demands and accelerates postpartum recovery.

How to Train Safely

  • Use RPE instead of max loads (moderate intensity is ideal)
  • Avoid prolonged supine positioning after the first trimester
  • Prioritize breathing mechanics and pelvic floor coordination
  • Modify range of motion as pregnancy progresses
  • Work with trained professionals when possible

Key Takeaway: pregnancy is not a contraindication to strength; it’s a reason to train with intention. When guided by science and sound coaching, strength training can empower pregnant individuals to feel capable, confident, and prepared for what comes next [1].


Sources
Barakat R, et al. Exercise during pregnancy improves maternal health perception: A randomized controlled trial. Am J Obstet Gynecol. 2019.

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