9 Third Trimester Exercises You Can Adjust Safely

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Medical note

General exercise information cannot check your pregnancy health. Ask your doctor or midwife before changing familiar exercise. Stop exercising when a warning symptom appears.

Before movementDrink water and check for any new symptoms.

During movementNormal conversation should remain possible during moderate movement.

Stop movementEnd movement after pain or any warning symptom appears.

Is exercise safe during the third trimester?

Many people with healthy pregnancies can exercise during the third trimester. CDC pregnancy activity advice supports moderate aerobic activity during pregnancies without medical problems. Personal advice still depends on your health and pregnancy history.

Late pregnancy can change how you walk, bend, breathe, and balance. Your growing abdomen may affect reach and comfort during movement. Pelvic discomfort and tiredness can also change across different pregnancy days.

Adjust your workout when balance, breathing, reach, or comfort changes. Reduce speed, shorten sessions, add support, or change positions as your body changes. Stop any movement bringing pain, dizziness, weakness, or unusual breathing trouble.

Your doctor or midwife can review problems affecting exercise. Ask them before starting any new activity during late pregnancy.

How much exercise should you aim for?

Healthy pregnant adults should aim for 150 minutes of moderate aerobic activity weekly. Both the CDC and ACOG support that weekly target. Spread activity across several days and use shorter sessions when needed.

Aerobic activity raises your breathing and heart rate for several minutes. Moderate effort raises breathing while normal conversation remains possible. Singing may become difficult, yet ordinary speech should remain comfortable throughout movement. One heart-rate limit cannot suit every fitness level during late pregnancy.

Try three ten-minute walks when one longer walk feels tiring on lower-energy days. Each short walk counts toward your weekly aerobic activity goal. Some activity remains worthwhile when 150 weekly minutes seems too difficult.

Australian pregnancy activity guidance supports muscle-strengthening work twice weekly. Use light bands, body weight, or familiar machines. Choose loads that preserve breathing, balance, and movement control.

One flexible weekly pattern

Spread exercise across days matching your energy and appointments. One week could include:

Three brisk walks lasting twenty to thirty minutes.
One comfortable swim or water-walking session each week.
Two short strength sessions on separate days.
Pelvic floor practice during several quiet daily moments.

Change the pattern around symptoms, appointments, sleep, and daily energy. Missing one session never requires a harder workout later.

Check four things before each workout

Check four areas before choosing each workout. Your answers can change between morning and afternoon.

Health: Check for medical limits or new pregnancy symptoms.
Energy: Choose a session length matching your available energy.
Comfort: Notice pelvic, back, joint, or abdominal discomfort.
Environment: Find water, stable ground, and a cool space.

Warm up using easy walking or gentle joint movement. Drink water before, during, and after your session. Loose clothing can reduce heat buildup during warmer weather. Finish every workout with easier movement until breathing settles comfortably.

Match movement to the pregnancy change you notice

Choose movement around the change affecting you right now. When balance seems worse, use a stable workout near firm support. The table below matches common changes with possible workout choices.

Current change	Movement options	How to adjust	Stop or seek advice when
Balance seems less secure	Walking, stationary cycling, wall push-ups	Choose level ground and nearby hand support	Dizziness or weakness affects balance
Abdominal space seems limited	Upright cycling, wide supported squat, wall work	Widen your stance and avoid pressing your belly	Abdominal pain or regular painful contractions
Sore joints need gentler movement	Swimming, water walking, stationary cycling	Use pool rails and low bike resistance	Pain worsens during or after movement
Pelvic discomfort appears	Water exercise, shorter walks, upper-body work	Shorten your stride and avoid painful single-leg work	Walking becomes difficult or pain continues
Back-lying becomes uncomfortable	Standing tilt, wall push-up, side-lying work	Change position immediately	Faintness, nausea, or trouble breathing appears
Energy drops quickly	Short walks, easy mobility, brief band work	Divide activity into five-minute bouts	Unusual trouble breathing or weakness appears

These examples cannot account for your pregnancy or health history. Persistent pelvic or back pain needs assessment from your maternity team. Pregnancy physical therapists may suggest safer movement changes.

Nine third trimester exercises to consider

These nine options cover heart fitness, strength, joint movement, balance, and pelvic floor work. Pick movements matching your pregnancy and previous activity. No single exercise works best for every pregnant person.

Several third trimester exercises at home need only a wall or chair.

A pregnant woman walking outdoors in supportive shoes

1. Walking makes pace and distance easy to change

Walking allows quick changes to pace, distance, terrain, and total workout time. Choose level, well-lit ground with firm support available nearby. Supportive shoes can improve grip on damp surfaces.

Start slowly before reaching a pace where talking remains easy. Shorten your walk when tiredness or pelvic heaviness grows during later weeks. Try flatter ground when hills increase discomfort.

Long strides can worsen pelvic pain for some people. Taking shorter steps may reduce pulling around sore pelvic joints. Seek assessment when pain limits stairs, sleep, turning, or other daily movement.

2. Water exercise reduces weight on sore joints

Water supports body weight while adding gentle resistance. Swimming can provide aerobic movement with less strain across sore joints.

Try water walking when longer laps become tiring.
Use pool steps and rails near slippery surfaces.
Choose a stroke leaving enough abdominal space.
Leave the pool after pain, dizziness, or trouble breathing.

Prenatal water classes can provide coaching from an instructor. Tell the instructor your pregnancy week, exercise history, symptoms, and medical limits.

3. A stationary bike avoids outdoor balance hazards

A stationary bike removes traffic, rough ground, and sudden direction changes. Adjust the equipment before adding effort:

Raise the handlebars when low positions crowd your abdomen.
Set the seat for comfortable knee movement.
Begin with light resistance for several minutes.
Step off slowly because tired legs affect balance.

End cycling after pelvic, knee, back, or abdominal pain. Gym staff can help adjust unfamiliar equipment before your first stationary cycling session.

4. Pelvic floor exercises need contraction and release

Pelvic floor training includes gentle tightening and complete release during every practice session. These muscles support the bladder, bowel, vagina, and growing uterus.

Choose a comfortable seated or side-lying position. Gently close around the vagina and back passage. Breathe normally before releasing every contraction and beginning the next repetition.

Fully relax the muscles after every gentle squeeze. Use gentle effort and let the muscles relax fully. Pain, heaviness, or trouble releasing needs personal assessment.

A 2024 evidence review found fewer urine leaks after prenatal pelvic floor programs. Programs used different exercises, schedules, and teaching methods across the included studies. A pelvic health physical therapist can check your technique.

A pregnant woman practicing supported squats near a counter

5. Supported squats strengthen your thighs, hips, and buttocks

Supported squats train thighs, hips, and buttocks through a chosen range with hand support. They cannot guarantee shorter labor or vaginal birth.

Hold a sturdy counter or heavy chair. Place both feet where your hips and knees remain comfortable. Bend through a pain-free range while breathing normally. Return upright using slow movement while breathing without strain.

Use less depth when pelvic discomfort appears. Stop when one careful change to depth or stance fails to help.

6. Wall push-ups strengthen your upper body while standing

Wall push-ups train your chest, shoulders, arms, and trunk without getting onto the floor. Their upright position creates more abdominal space than floor push-ups.

Place both palms against a stable wall. Step backward until your body reaches a comfortable angle with both heels grounded. Bend your elbows and move your chest forward. Press away while breathing throughout each repetition.

Move your feet closer for less resistance. End after wrist, shoulder, back, or abdominal pain during any repetition.

7. Band rows train your upper back

Band rows add adjustable resistance without floor-level movement during short strength sessions. Inspect the band for cracks before every session.

Setup: Secure the band to an exercise anchor designed for bands.

Pull: Move both elbows backward with relaxed shoulders.

Return: Release the band slowly without snapping forward.

Choose lighter resistance when your posture changes. End the set when tiredness weakens your movement control. Avoid unstable furniture and loose door attachments.

A pregnant woman practicing modified prenatal yoga with chair support

8. Modified prenatal yoga adds gentle movement and breathing

Modified prenatal yoga combines mobility, supported balance practice, and calm breathing. Choose classes from instructors with prenatal training. Share your pregnancy week and medical limits before class.

Wider positions may create more abdominal space. Chairs, blocks, and walls can reduce balance demands. Change any pose that compresses your abdomen.

Avoid hot yoga because pregnancy raises overheating concerns. Skip poses causing pain, dizziness, numbness, trouble breathing, unusual weakness, or belly pain. Continue breathing normally through every chosen yoga position without strain.

9. Standing pelvic tilts move your lower back gently

Standing pelvic tilts move your lower back without floor work during short mobility sessions. The NHS pregnancy exercise page includes a wall-supported version.

Rest your shoulders and bottom against a wall.
Let both knees remain soft while breathing normally.
Move your lower back gently toward the wall.
Pause briefly before returning to the starting position.

Avoid forcing your spine through any discomfort. End the exercise after pain, dizziness, weakness, or nausea appears.

How should exercise change after week 28?

After week 28, adjust exercise around your comfort and balance. Week number alone cannot show which workout suits you. Consider your tiredness, pain, pregnancy health, and earlier exercise experience.

Reduce fall and collision exposure

Late pregnancy can change balance and body position. Replace outdoor cycling when balancing outside becomes more difficult. Choose level walking areas with firm hand support available nearby.

Horse riding, downhill skiing, gymnastics, and contact sports raise injury risks. Skydiving and scuba diving also create serious pregnancy hazards.

Create more abdominal space

Widen your stance when extra room improves comfort. Raise handlebars and replace floor positions with wall versions. Avoid movements pressing directly into your abdomen.

Choose a replacement serving the same exercise goal. Wall push-ups can replace floor versions when abdominal space becomes limited. Water walking can replace longer walks when sore joints need lower loading.

Limit how long you lie flat

Avoid long periods lying flat during later pregnancy. ACOG highlights back-lying concerns after 20 weeks. The NHS uses a cautious point after 16 weeks.

Change position after faintness, nausea, dizziness, sweating, or breathing trouble. Side-lying, seated, standing, or gently inclined options may work better during longer workouts.

What if walking makes your pelvis hurt?

When walking worsens pelvic pain, shorten your steps first. Positions using both legs evenly may reduce strain across sore pelvic joints. Stop painful movement when one small change brings no relief.

Contact your maternity team when movement becomes difficult. The NHS pelvic pain information describes when pregnancy physical therapy may help. Urgent pregnancy symptoms need prompt medical assessment.

Can you begin exercise during the third trimester?

Your starting point depends on earlier exercise and current pregnancy health.

Starting now: Begin with five easy minutes after medical approval. Add five minutes weekly when your doctor or midwife approves. Walking, water exercise, and easy stationary cycling suit short starts.
Already active: Familiar vigorous activity may remain possible with medical approval. Adjust for changing balance, heat, food needs, and recovery.
Competitive training: Athletes need individual medical oversight during late pregnancy. Training history cannot remove pregnancy warning signs or medical limits.

Can exercise prepare your body for labor?

Regular activity can support fitness before birth, but outcomes remain uncertain. No exercise can promise a normal delivery or vaginal birth. Exercise should never replace personal maternity advice near your due date.

Research findings: Studies compare full programs, never one magic movement. A large review of labor outcomes linked exercise with fewer assisted births. Those births needed forceps or a vacuum device. Researchers found no link with cesarean birth or labor length.
Mixed results: Other reviews found different results for cesarean and vaginal births. Researchers studied different people, workouts, and birth results. Therefore, study findings cannot create a personal promise.
Practical purpose: Use third trimester exercises for health and easier daily movement. Research findings cannot predict what will happen during your birth. Discuss activity near your due date with your own maternity team.

Which exercises should you avoid during the third trimester?

Avoid activities with high fall, collision, overheating, or impact risks. Pregnancy health may add personal limits beyond these categories.

Contact or impact: Contact sports can injure your abdomen during collisions.
Fall hazards: Horse riding and downhill skiing increase fall exposure.
Heat exposure: Hot yoga and hot Pilates can cause overheating.
Diving: Scuba diving can expose an unborn baby to harmful gas bubbles.
Heights: Skydiving brings serious injury and falling risks.
Back-lying: Long periods flat on your back may cause faintness.
Heavy lifting: Avoid loads causing pain, breath-holding, or poor balance.

Outdoor cycling may become harder as balance changes. A stationary bike lowers fall risk during familiar aerobic movement. Avoid unfamiliar workouts that make normal talking difficult.

When should you stop exercising?

End your workout immediately when a pregnancy warning symptom appears. Contact your doctor, midwife, or maternity unit for instructions. ACOG provides these pregnancy exercise warning signs.

Bleeding or fluid: Notice vaginal bleeding or fluid leaking from the vagina.
Breathing or chest: Notice chest pain or trouble breathing before exercise begins.
Head or balance: Notice dizziness, faintness, or a severe headache during movement.
Belly or contractions: Notice abdominal pain or regular painful contractions during movement.
Leg symptoms: Notice calf pain or sudden swelling in one leg.
Weakness: Notice muscle weakness affecting normal balance during movement.

Your baby moving less than normal needs prompt maternity contact. Follow local urgent maternity instructions after any warning symptom. Severe or rapidly worsening symptoms need immediate help from your medical team.

Ordinary effort can raise breathing while conversation remains possible. Warning trouble breathing appears before activity or seems unusual during familiar movement. Stop immediately after pain, leaking fluid, bleeding, or faintness.

Who needs personal medical advice before exercise?

Pregnancy health problems can change which activities are safe for you. Seek personal advice before starting, continuing, or changing exercise. Some examples include bleeding, broken waters, placenta problems, or pre-eclampsia. Pre-eclampsia can harm both you and your baby.

Pregnancy concerns: Multiple pregnancy may need different exercise choices during late pregnancy. Current bleeding, cervix changes, or placenta problems need medical advice. The cervix forms the opening to the womb.
Health concerns: Severe anemia or heart disease may change exercise advice. Severe anemia leaves blood with too few healthy red blood cells.
Appointment details: Describe the activity, effort, duration, position, and symptoms. Those details help your doctor discuss safer workout choices.

These examples cannot cover every medical reason for an exercise restriction.

Common third trimester exercise questions

Do you need a pregnancy heart-rate limit?

Most pregnant adults need no single heart-rate limit. Pregnancy and fitness history can change heart-rate responses during exercise. Use the talk test during every moderate workout.

Speak in complete sentences while moving at moderate intensity. Lower your pace when normal conversation becomes difficult. Personal medical advice may set different limits for your pregnancy.

Can you exercise at 36, 37, or 38 weeks?

Many healthy pregnancies allow familiar activity at 36, 37, or 38 weeks. Check your comfort, symptoms, health problems, and medical advice each day. Pregnancy week alone cannot show which activity suits you.

Choose familiar, stable movements near your due date. Avoid using exercise to start labor without maternity advice. Stop immediately after any listed warning symptom.

What should you do on very tired days?

Shorten your session when energy drops earlier than expected. Five minutes of comfortable movement can still count. Choose rest during illness or extreme tiredness.

Compare your energy with your normal pregnancy pattern. Mention sudden or severe tiredness to your maternity team.

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Third Trimester Exercises: 9 Options You Can Adjust

Is exercise safe during the third trimester?