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How to Exercise Safely During Pregnancy (By Trimester)

Pregnancy is not a time to stop moving—it’s a time to move smarter.

With so much conflicting advice online, it’s no wonder many expecting moms feel unsure about what’s safe when it comes to exercise. The good news? Prenatal fitness is not only safe for most pregnancies—it’s one of the best ways to support your changing body when done correctly.

First Trimester: Building the Foundation

Early pregnancy can bring fatigue, nausea, and uncertainty. Movement during this phase should focus on maintaining consistency while honoring your energy levels.

Safe focus areas:

  • Low-impact cardio to support circulation

  • Gentle strength to maintain muscle balance

  • Breath awareness and posture

Second Trimester: Strength + Stability

As energy often improves, this is a great time to build functional strength.

Safe focus areas:

  • Glute and upper-body strength

  • Core connection (not crunches)

  • Balance and posture as your center of gravity shifts

Third Trimester: Preparing for Birth

Movement becomes more intentional as your body prepares for labor.

Safe focus areas:

  • Squats and hip mobility

  • Breath work and endurance

  • Movements that support daily life and delivery

Why Guidance Matters

Every pregnancy is different, and prenatal fitness is not one-size-fits-all. Working with instructors trained in prenatal exercise ensures movements are properly modified for each trimester—and adjusted as your body changes week to week.

Looking for expert-led prenatal workouts designed for every stage of pregnancy? FIT4BABY classes at FIT4MOM North Atlanta offer safe, supportive movement led by certified prenatal fitness instructors in a community of other expecting moms.