Pregnancy Exercises: Safe Workouts for Every Trimester

Exercise during pregnancy isn't just safe—it's beneficial for both you and your baby. Regular physical activity can reduce pregnancy discomfort, prepare your body for labor, and speed postpartum recovery. Here's your complete guide to moving safely throughout pregnancy.

Benefits of Exercise During Pregnancy

For You

• Reduces back pain and discomfort
• Decreases risk of gestational diabetes
• Helps manage healthy weight gain
• Improves sleep and energy
• Reduces constipation and bloating
• Decreases risk of preeclampsia
• Prepares body for labor
• Speeds postpartum recovery
• Improves mood and reduces anxiety

For Baby

• Healthier birth weight
• Potentially easier labor
• Better stress tolerance

General Guidelines

How Much Exercise?

• 150 minutes per week of moderate-intensity activity
• Can be broken into 30 minutes, 5 days per week
• Or shorter sessions throughout the day

What's "Moderate Intensity"?

The "talk test": You can carry on a conversation but not sing. You're breathing harder but not gasping.

When to Stop Exercising

Stop and contact your provider if you experience:

• Vaginal bleeding
• Dizziness or feeling faint
• Shortness of breath before starting exercise
• Chest pain
• Headache
• Muscle weakness
• Calf pain or swelling
• Regular, painful contractions
• Fluid leaking from vagina

Who Should NOT Exercise?

Get clearance from your provider if you have:

• Heart or lung disease
• Cervical insufficiency
• Multiple pregnancy at risk for preterm labor
• Placenta previa after 26 weeks
• Preterm labor or ruptured membranes
• Preeclampsia or pregnancy-induced hypertension
• Severe anemia

First Trimester (Weeks 1-12)

What's Happening

• Fatigue and nausea may affect exercise
• Body is adapting to pregnancy hormones
• Risk of miscarriage (exercise doesn't cause it, but you may want to be cautious)

Exercise Focus

• Maintain current fitness level (don't try to improve)
• Listen to your body regarding fatigue
• Stay hydrated
• Avoid overheating

Safe Exercises

Walking:

• 20-30 minutes
• Easy to modify intensity
• Can do despite nausea

Swimming:

• Excellent full-body exercise
• Water supports body weight
• Cooling effect prevents overheating

Stationary Cycling:

• Low impact
• Easy to control intensity
• No balance concerns

Prenatal Yoga:

• Gentle stretching
• Breathing practice
• Relaxation

Strength Training:

• Continue if already doing
• Moderate weights
• Focus on form

Exercises to Start Avoiding

• Contact sports
• Activities with fall risk
• Hot yoga or hot environments
• Scuba diving

Second Trimester (Weeks 13-27)

What's Happening

• Energy often returns
• Belly begins to show
• Center of gravity shifts
• Relaxin hormone loosens joints

Exercise Focus

• Many women feel best during this trimester
• Watch for balance changes
• Avoid lying flat on back for extended periods (after 20 weeks)
• Don't overstretch (joints are looser)

Modifications Needed

After 20 weeks, avoid:

• Lying flat on your back for long periods (compresses blood vessels)
• Instead: Use an incline or lie on your side

Balance concerns:

• Use support when needed
• Avoid unstable surfaces
• Be careful with activities requiring balance

Safe Exercises

Modified Strength Training:

• Continue with moderate weights
• Seated exercises when appropriate
• Use machines for stability

Walking/Hiking:

• Great for mood and fitness
• Watch for uneven terrain
• Stay hydrated

Swimming and Water Aerobics:

• Buoyancy supports growing belly
• Reduces swelling
• Feels wonderful

Low-Impact Aerobics:

• Prenatal fitness classes
• Modified movements as needed

Prenatal Pilates:

• Core strength maintenance
• Pelvic floor awareness
• Modified for pregnancy

Third Trimester (Weeks 28-40)

What's Happening

• Belly is large; movement is harder
• Shortness of breath from uterus pressing on lungs
• Fatigue may return
• Braxton Hicks contractions

Exercise Focus

• Maintain activity; don't try to increase
• Focus on preparation for labor
• Manage discomfort
• Continue as long as comfortable

Modified Exercises

Walking:

• Shorter distances may be needed
• Take breaks as needed
• Excellent for maintaining fitness

Swimming:

• Often feels best in third trimester
• Water supports belly
• Reduces swelling

Gentle Stretching:

• Focus on areas of tension
• Hip and back stretches
• Don't overstretch

Pelvic Floor Exercises:

• Continue Kegels
• Perineal massage (if recommended by provider)

Birth Preparation Exercises:

• Squatting (supported)
• Pelvic tilts
• Cat-cow for back relief

Key Exercises Throughout Pregnancy

Pelvic Floor Exercises (Kegels)

Start early and continue throughout:

1. Contract pelvic floor muscles (like stopping urine flow)
2. Hold 5-10 seconds
3. Release completely
4. 10-15 repetitions, 3 times daily

Pelvic Tilts

Relieves back pain:

1. On hands and knees (or standing against wall)
2. Tuck pelvis under, flattening lower back
3. Hold 5 seconds
4. Return to neutral
5. 10-15 repetitions

Cat-Cow

Mobilizes spine, relieves back tension:

1. On hands and knees
2. Arch back, let belly drop (cow)
3. Round back, tuck chin (cat)
4. Move slowly and gently
5. 10 repetitions

Modified Squats

Strengthens legs for labor:

1. Stand with feet wider than hips
2. Hold onto support (chair, counter)
3. Squat down, keeping weight in heels
4. Only go as low as comfortable
5. 10-15 repetitions

Bird Dog (Modified)

Core stability:

1. On hands and knees
2. Extend opposite arm and leg
3. Hold briefly
4. Return and switch
5. 10 each side

Side-Lying Leg Lifts

Hip strength:

1. Lie on your side
2. Lift top leg toward ceiling
3. Lower with control
4. 15 each side

Wall Push-Ups

Upper body strength:

1. Hands on wall, shoulder height
2. Lean in, bending elbows
3. Push back
4. 10-15 repetitions

Sample Weekly Schedule

First Trimester

Monday, Wednesday, Friday:

• Walking: 20-30 minutes
• Strength training: 15-20 minutes

Tuesday, Thursday:

• Swimming or water aerobics: 30 minutes
• OR prenatal yoga: 30 minutes

Weekend:

• Enjoyable activity (hiking, dancing, etc.)
• OR rest if fatigued

Second Trimester

Monday, Wednesday, Friday:

• Walking: 30 minutes
• Modified strength training: 20 minutes

Tuesday, Thursday:

• Swimming: 30 minutes
• OR prenatal yoga/Pilates: 45 minutes

Daily:

• Pelvic floor exercises
• Stretching as needed

Third Trimester

Daily (or most days):

• Walking: 15-30 minutes (as tolerated)
• Pelvic floor exercises
• Stretching and mobility

2-3 times per week:

• Swimming or water exercise: 20-30 minutes
• OR prenatal yoga (gentle): 30 minutes

Daily:

• Birth preparation exercises (squats, pelvic tilts)
• Cat-cow for back relief

Managing Common Discomforts

Back Pain

• Pelvic tilts
• Cat-cow stretches
• Swimming
• Avoid standing for long periods

Swelling

• Swimming (water pressure helps)
• Elevate legs when resting
• Gentle walking
• Ankle pumps

Round Ligament Pain

• Move slowly when changing positions
• Support belly when needed
• Gentle stretching

Shortness of Breath

• Reduce intensity
• Take breaks
• Focus on upper body while seated

Pelvic Girdle Pain

• Avoid single-leg movements
• Keep legs together when turning in bed
• Swimming is often helpful
• See a pelvic floor PT

Exercises to Avoid

Throughout pregnancy, avoid:

• Contact sports (soccer, basketball, hockey)
• Activities with fall risk (skiing, horseback riding, gymnastics)
• Scuba diving
• Hot yoga or exercising in high heat
• Lying flat on back after 20 weeks (for extended periods)
• Exercises that cause coning/doming of abdomen
• Holding breath during exertion
• Jumping or jarring movements (later in pregnancy)

When to Call Your Provider

Contact your healthcare provider if you experience:

• Vaginal bleeding or fluid leakage
• Contractions that don't stop
• Chest pain or racing heart
• Dizziness or headache
• Decreased fetal movement
• Calf pain or swelling (one-sided)

Key Takeaways

1. Exercise is beneficial—for you and baby
2. 150 minutes per week is the goal
3. Listen to your body—modify as pregnancy progresses
4. Avoid lying flat on back after 20 weeks
5. Stay hydrated and don't overheat
6. Pelvic floor exercises throughout
7. Continue as long as comfortable—there's no need to stop before labor

Pregnancy is not a time to set fitness records, but it's also not a time to be sedentary. Regular, moderate exercise helps you feel better during pregnancy and recover faster afterward. Move in ways that feel good, stay in tune with your changing body, and enjoy this unique time.