Safe Gym Pregnancy Workouts

Yes, most women with healthy pregnancies can continue or start gym workouts. Strength training and moderate cardio help maintain muscle, manage weight gain, reduce back and hip pain, improve mood and sleep, lower the risk of gestational diabetes, and prepare the body for labor.

Always get clearance from your doctor or midwife first, especially if you have complications such as placenta previa, preeclampsia, bleeding, or preterm labor risk. I preferred working out in the comfort and privacy of my home but if you like to go to the gym then this is for you.

Key Safety Rules for Gym Workouts During Pregnancy

1. Stay hydrated and avoid overheating.

2. Use the talk test: you should be able to speak in full sentences.

3. Avoid lying flat on your back after about 16-20 weeks.

4. Stop immediately if you feel dizzy, short of breath, have vaginal bleeding, contractions, fluid leaking, or calf pain/swelling.

5. Watch for abdominal coning or doming. Reduce load or change the exercise if it occurs.

6. Prioritize balance as your center of gravity shifts.

7. Never hold your breath; breathe steadily through each movement.

8. Focus on good form over heavy weights.

Best Cardio Options at the Gym

• Stationary or recumbent bike.
• Elliptical
• Incline treadmill walking.
• Rowing machine (moderate pace).
• Swimming or water aerobics (greatjoint-friendly choice).

Gym Equipment & Exercises to Avoid

• Machines or pads that press against the belly.
• Unstable surfaces (BOSU, wobble boards).
• Heavy overhead presses that increase lower-back arch.
• Abductor/adductor machines that stress the pelvic girdle.
• Lying on the stomach or flat-back positions after the first trimester.
• Crunches, sit-ups, Russian twists, or any move that causes midline coning.
• High-impact or high-fall-risk activities.

Trimester-Specific Gym Workout Guidelines

First Trimester
Most women can continue their pre-pregnancy routine if they feel well.

Recommended: moderate strength training (higher reps, controlled weights), bodyweight squats and lunges, rows, modified push-ups, pelvic-floor work, and low-impact cardio.

Second Trimester
Focus shifts to stability and core protection.

Recommended: incline or seated presses, wider-stance squats, cable or band rows, anti-rotation core work, single-leg balance exercises, and continued low-impact cardio. Avoid heavy loaded movements that cause coning.

Third Trimester
Prioritize comfort, mobility, and labor preparation. This is the time you empower yourself with the knowledge you need for childbirth.

Recommended: seated or standing upper-body work, supported squats, glute bridges or hip thrusts, incline walking, gentle mobility (cat-cow, hip circles), and pelvic-floor lengthening and strengthening. Reduce range of motion and intensity as needed.

Trimester Modifications

Each trimester presents unique challenges and modifications in the workout routine are necessary. It's advised to reduce the intensity and duration of workouts as pregnancy progresses.

Always consult with a fitness professional who is experienced in prenatal exercise to ensure the safety and effectiveness of your workout plan.

Sample Safe Strength Moves

• Squats (bodyweight, goblet, or supported).
• Seated or standing rows.
• Modified push-ups or wall press.
• Glute bridges.
• Side-lying leg lifts.
• Band or cable pulls.
• Pelvic tilts and deep core breathing.

When to Skip the Gym

Avoid workouts if you experience warning signs or have medical contraindications. Pregnancy is not the time to chase personal records or high-intensity training. The goal is consistent, moderate activity that supports your health and your baby's.

Gym workouts during pregnancy can be highly effective when modified correctly. Combine strength, low-impact cardio, pelvic-floor work, and mobility for the best results. Listen to your body every session and progress only when you feel comfortable.

For guided, trimester-specific programs designed by prenatal specialists, choose resources that emphasize safety and real-life modifications from early pregnancy through postpartum recovery.

Evidence Based Guide to Gym Workouts

Always get clearance from your obstetrician or midwife first, especially if you have any complications (e.g., placenta previa, preterm labor risk, severe anemia, or heart/lung issues).

Diastasis recti - Watch for coning down the midline; if it happens, reduce load or change exercise.

Round ligament pain - Common in 2nd trimester; ease up on deep twisting or sudden movements.

Pelvic floor - Do both contractions (Kegels) and relaxation exercises-many women only strengthen and then can't relax during delivery.

Be a Strong Mama

These workouts can help strengthen muscles, improve mood and energy levels, and potentially reduce the risk of gestational diabetes and preeclampsia.

As always, it's crucial for pregnant women to consult with their healthcare provider before starting or continuing any exercise routine.

So let's get started in answering some of your questions and providing you with a list of what machines you can use and which ones you need to avoid.

Questions & Answers about Pregnancy Gym Workouts

1. Is it safe to lift weights or strength train during pregnancy?
Yes, for most women with uncomplicated pregnancies. Strength training is recommended by major health organizations (including ACOG) and is linked to reduced risk of gestational diabetes, better posture, less back pain, and improved labor preparation.

Always get medical clearance first.

2. Can I go to the gym while pregnant?
Yes. Many women safely continue gym workouts throughout pregnancy with proper modifications.

Focus on controlled movements, good form, and listening to your body. Avoid crowded peak times if you prefer more space and cleaner equipment.

3. What gym exercises and machines should I avoid when pregnant?
Avoid:

• Exercises that cause abdominal coning/doming.
• Lying flat on your back after approx. 16-20 weeks.
• Heavy overhead presses that increase lower-back arch.
• Unstable surfaces (BOSU, balance boards).
• Machines that press against the belly.
• Crunches, sit-ups, deep twists, and high-impact moves.

4. Can I do squats or lift heavy weights while pregnant?
Squats are generally safe and beneficial when done with good form (wider stance often feels better as the belly grows).

Heavy lifting is possible for experienced lifters who feel comfortable, but most experts recommend moderate weights with higher reps.

Never lift to failure or sacrifice form. Reduce load if you feel pressure, pain, or coning.

5. How should I modify gym workouts in each trimester?

First trimester: Often continue pre-pregnancy routine if you feel well.

Second trimester: Emphasize stability, wider stances, incline/seated positions, and anti-rotation core work.

Third trimester: Reduce intensity and range of motion. Focus on seated/standing upper-body work, supported squats, glute bridges, and mobility. Prioritize comfort and balance.

6. Can I use weight machines while pregnant?

Yes, but not all. If the machine places excessive strain on your lower back then try to avoid them.

You are at an increased risk for musculoskeletal injury. This is because the placenta produces the pregnancy hormone called relaxin, which relaxes the body's joints.

This is critical since the pelvis needs to expand to accommodate the growing uterus and baby. It also allows the baby to pass through the birth canal during delivery.

There are so many types of machines in the gym to cover all in this article.

But essentially it comes down to using your judgement and avoiding machines that can cause you injury like the ones listed below. 

7. What Movements Should I Avoid?

No matter what exercise or machine you are doing, I want you to avoid the following:

1. Pushing movements exercises that cause your abs to bulge or peak outwards.

2. Isometric exercises that cause your abs to bulge or peak outwards.

3. Lying on your stomach.

4. Crunching, twisting and any movements that cross your mid-line as this can exasperate abdominal separation.

5. Lying flat on your back - the pressure of the baby can cause interruption of blood flow back to the heart

6. Rotational movements that collapse the space of the womb.

7. Holding your breath, it creates too much pressure on the pelvic floor. 

8. Can I use a Treadmill when Pregnant?

Running during pregnancy is OK. Yes, it can be high-impact, and there are definitely some better exercise you could do.

But if you were a keen runner before pregnancy, then it is OK to continue running.

And the treadmill a great way to get exercise if you are restricted to exercising indoors.

Balance is the most important concern when walking or running on a treadmill so be sure to hold on tot he side rails in case you slip or fall.

I want you to adjust the machines' speed, incline and tension to a level that's comfortable for you. Forget about running to exhaustion as this is not good for you or baby.

9. Can I use an Upright Cycle?

Cycling when pregnant is an excellent low impact activity that's safe to continue throughout pregnancy.

While many women continue to ride a bike on the roads, there is the increase risk of falling or losing your balance which is why a static gym bike is ideal exercise for pregnant women.

You will need to adjust the seat to the correct height, with the seat level to your hip joint when standing next to the cycle. Remember to slightly bend your knees.

10. Can I use a Recumbent Bike?

There's no impact with a recumbent bike. Recumbent bikes are a good alternative to the upright stationary bikes, both for comfort in style of seat and position.

The back support is beneficial for both joint and back pain while the cycling still offers a solid cardio workout.

As your baby bump grows it can become difficult to cycle with your knees in alignment, making the recumbent bike less comfortable but do what works best for you.

Whether you prefer using an upright bike or a recumbent bike, gradually reduce your speed during the second and third trimesters.

11. Can I Use a Stair Climber if I am Pregnant?

You should use the stair climber with caution. Balance is a major concern use the support of the handrails.

You will still get a complete workout that builds muscle in the lower body but avoid pushing to exhaustion.

If you experience any pelvic pain when using a step machine stop right away. And reduce your time on the stepper as well as your intensity levels as your pregnancy progresses.

12. Can I use an Elliptical Trainer?

An Elliptical Trainer is a good option for pregnant women at the gym.

The guided and low-impact motion of a X-Trainer helps to reduce pressure on your joints that are already under some pressure due to your increasing weight and also the hormone relaxin.

Try to maintain a comfortable speed and reduce your stride length if you experience any pelvic discomfort.

Holding the handles to the side of your body in preference to the front will help you maintain an upright posture.

13. Can I use a Rowing Machine?

The rowing machine does provide a complete body workout, but a rowing machine can be difficult to get on and off during the latter stages of your pregnancy.

Your growing baby bump is likely to get in the way making it difficult to row. Make sure the handle does not hit your belly as you pull it back.

Gym Exercise Classes

The same exercise precautions apply to any exercises, workouts or classes in a gym as they do in a studio, online or at home. There are just some exercises you must avoid during pregnancy. And this include everything from Hot yoga to extreme boot camp classes.

I also want you to avoid classes that cause to to rapidly change direction or your position including high impact classes.

Gym Workout Tips

a. Warm up and cool down

I want you to conduct a safe warm-up before starting more intense exercise.

Warming up increases your heart rate, raises the temperature of your muscles for optimum flexibility and dilates your blood vessels so your muscles are well supplied with oxygen.

b. Know when to stop your workout.

Know the warning signs to stop exercising. If an exercise feels uncomfortable, or makes you feel out of breath or dizzy it's time to slow down or stop.

c. Wear supportive maternity gym wear.

This is important not just for your own self-esteem but to hold your baby bump securely.

d. Stay hydrated

It important for many reasons o stay properly hydrated when pregnant. Keep that water bottle handy throughout your workout!

9. Heavy Lifting during Pregnancy

Heavy lifting during pregnancy is not recommended but it cannot always be avoided especially if you have other children or live alone.

You can prevent pregnancy back pain by implementing the correct lifting techniques as outlined in our body care section.

1. Pushing

If you are going to push a weight, object such as a change table, cot or chair; place your legs in a stride stance with your strongest foot back.

For most people they will have their right foot back and their left leg forwards. Your front foot should be positioned as close to the load as possible. Use your body weight to initiate the movement and try to keep your elbows close to your body.

2. Pulling

If you must pull an object, face the object, use both arms. Place your feet in a stride stance with your stronger foot forward and use your body weight to initiate the movement.

When you pull you are not using your major muscles groups and can be prone to injury. As you will likely be moving backwards it is essential you clear the path behind you as you move the load from point A to point B.

3. Lifting

How much you can lift will depend on your strength, your technique and the size and shape of the object. If you try to lift with poor technique then you will place significant strain on many parts of our body.

Prior to lifting, you should plan how you will lift the object. Where you are moving the object. If you are in doubt about the weight or size then seek assistance with the lift.

A lot of injuries occur when you lift with combined movements such as bending and twisting at the same time.

If the load is too heavy for you to lift then seek assistance or break down the load into smaller loads. If you can use a mechanical aid to help lift the object then do so.

Correct Technique Involves:

1. Feet comfortably apart.

2. Place feet around load if possible.

3. Bend at your knees.

4. Keep the spine in its natural curves.

5. Keep the load as close to the body as possible.

6. Brace abdominal muscles.

Avoid Risk to Your Baby or Pelvic Floor

Pregnancy is a time to prioritize safety and listen closely to your body. Our PregActive "Hug and Wrap' technique is built into each workout to support your pelvic floor.

Start by choosing low-impact exercises that minimize the risk of injury and avoid activities that involve lying flat on your back after the first trimester.

It's important to stay hydrated, avoid overheating, and wear supportive clothing and footwear.

Use proper form to prevent strain on the joints, which are more susceptible to injury due to the hormone relaxin.

Avoid high-intensity workouts that lead to breathlessness, as this can decrease oxygen flow to the baby.

Always warm up before exercising and cool down afterward. Be mindful of balance as the center of gravity shifts during pregnancy, increasing the risk of falls.

If you experience any discomfort, bleeding, dizziness, or other warning signs, stop exercising immediately and consult your healthcare provider.

Gym Equipment to Avoid in Pregnancy

1. It basically comes down to using common sense. Any piece of gym equipment that creates an unstable surface such as BOSU or wobble boards. Your center of gravity just isn't what it was before!

2. Any equipment that requires you to lie on your stomach. For example, swap the lying hamstring curl for the seated hamstring curl.

3. Try and avoid abductor and adductor machines due to the pressure it puts on the pelvic girdle. There are plenty of other great prenatal exercises to strengthen these muscles.

4. Lat pull-down and assisted chin up machine as the technique is difficult to master when pregnant.

Also, they place a lot of stress on your abdominal muscles which is just bad news if you have abdominal separation.

The intra-abdominal pressure and any excessive curvature of the spine on either exercise can cause abdominal peaking.

5. Avoid benches or equipment that has a 45-degree angle such as a back extensions and glute / hamstring machine due to the position you need to be in when using them.

Sources:

ACOG Physical Activity and Exercise During Pregnancy and the Postpartum Period

The PregActive Method

SUBSCRIBE to My Pregactive YouTube CHANNEL for FREE workouts >

Article review: Article updated and reviewed by Kerryn Boyle on 22/09/2026.