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Education2026-03-06•7 min read

Exercise During Pregnancy: What's Safe, What to Avoid, and Why It Matters

Why Exercise During Pregnancy?

Exercise during pregnancy isn't just safe—it's beneficial for both you and your baby. Current guidelines recommend most pregnant women get at least 150 minutes of moderate-intensity aerobic activity per week.

Benefits of Prenatal Exercise

For You

  • Reduced back pain
  • Less constipation
  • Lower risk of gestational diabetes
  • Reduced risk of preeclampsia
  • Better mood and energy
  • Improved sleep
  • Easier labor and delivery
  • Faster postpartum recovery
  • Lower risk of excessive weight gain
  • Reduced risk of C-section

    • For Baby

  • Healthier birth weight
  • Lower fat mass at birth
  • Better stress tolerance
  • Potential cognitive benefits

    • Who Should Exercise?

    Generally Safe For

    Most pregnant women can and should exercise, including those who:

  • Were active before pregnancy
  • Were sedentary before pregnancy (start gradually)
  • Have uncomplicated pregnancies

    • Consult Your Provider First If

  • Heart or lung disease
  • Cervical insufficiency
  • Multiple pregnancy with risk factors
  • Placenta previa after 26 weeks
  • Preterm labor risk
  • Ruptured membranes
  • Preeclampsia or pregnancy-induced hypertension
  • Severe anemia

    • Absolute Contraindications

    Some conditions mean exercise should be avoided. Your provider will advise.

    Safe Exercises During Pregnancy

    Recommended Activities

    Walking:

  • Safe throughout pregnancy
  • Easy to modify intensity
  • Can do anywhere

    • Swimming and water aerobics:

  • Low impact, supports body weight
  • Reduces swelling
  • Comfortable in later pregnancy

    • Stationary cycling:

  • Low fall risk
  • Easy to adjust intensity
  • Comfortable into third trimester

    • Prenatal yoga:

  • Flexibility and relaxation
  • Breathing techniques helpful for labor
  • Avoid hot yoga and certain poses

    • Strength training:

  • Maintain muscle tone
  • Use moderate weights
  • Modify as belly grows

    • Low-impact aerobics:

  • Prenatal classes ideal
  • Instructor can modify for pregnancy

    • With Modifications

    Running:

  • Can continue if you ran before pregnancy
  • Reduce intensity as pregnancy progresses
  • Listen to your body
  • May need to switch to walking later

    • Pilates:

  • Core strength beneficial
  • Avoid lying flat on back after first trimester
  • Prenatal-specific classes best

    • Exercises to Avoid

    High-Risk Activities

  • Contact sports (soccer, basketball, hockey)
  • Activities with fall risk (skiing, horseback riding, gymnastics)
  • Hot yoga or hot Pilates
  • Scuba diving
  • Skydiving
  • Activities at high altitude (if not acclimatized)

    • After First Trimester

  • Lying flat on back for extended periods
  • Exercises that increase fall risk as balance changes

    • Throughout Pregnancy

  • Heavy lifting that causes straining
  • Exercises that cause pain
  • Bouncing or jarring movements (for some)

    • Exercise by Trimester

    First Trimester

  • Can often continue pre-pregnancy routine
  • Fatigue and nausea may limit activity
  • Stay hydrated
  • Avoid overheating

    • Second Trimester

  • Often feel best during this time
  • Modify exercises as belly grows
  • Avoid lying flat on back
  • Balance may start to change

    • Third Trimester

  • Lower intensity may be needed
  • Walking and swimming often most comfortable
  • Focus on maintaining, not increasing fitness
  • Pelvic floor exercises important

    • Warning Signs to Stop

    Stop exercising and contact your provider if you experience:

  • Vaginal bleeding
  • Regular painful contractions
  • Amniotic fluid leakage
  • Dizziness or feeling faint
  • Chest pain
  • Headache
  • Muscle weakness affecting balance
  • Calf pain or swelling
  • Decreased fetal movement

    • Exercise Guidelines

    Intensity

  • "Talk test": Should be able to carry conversation
  • RPE (rate of perceived exertion): 12-14 on 20-point scale
  • Avoid exercising to exhaustion

    • Duration

  • 150 minutes moderate activity per week
  • Can break into shorter sessions
  • 20-30 minutes most days

    • Temperature

  • Avoid overheating
  • Stay hydrated
  • Exercise in cool environment
  • Avoid hot tubs and saunas

    • Key Exercises for Pregnancy

    Pelvic Floor (Kegels)

    Essential for supporting pregnancy and preparing for delivery:

  • Contract pelvic floor muscles
  • Hold 5-10 seconds
  • Relax fully
  • 10 reps, 3x daily

    • Cat-Cow

    Relieves back pain:

  • On hands and knees
  • Arch back up (cat), then let belly drop (cow)
  • 10 reps

    • Bird-Dog (Modified)

    Core stability:

  • Hands and knees
  • Extend opposite arm and leg
  • Keep back flat
  • 10 each side

    • Squats

    Functional strength:

  • Feet wider than hip-width
  • Squat to comfortable depth
  • 10-15 reps

    • Side-Lying Leg Raises

    Hip strength:

  • Lie on side
  • Lift top leg
  • 15 reps each side

    • After Delivery

  • Gentle activity can often resume soon after uncomplicated delivery
  • Pelvic floor exercises early
  • Gradual return to pre-pregnancy exercise
  • C-section requires longer recovery
  • Get clearance from provider

    • Exercise during pregnancy is one of the best things you can do for yourself and your baby. Most activities are safe with modifications. Listen to your body, stay hydrated, don't overheat, and enjoy the benefits of staying active.

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