Is it safe to exercise?

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Published 22 May 2025 | Written by Dr Nancy B. French

Pregnancy is a transformative journey physically, emotionally, and mentally. As your body changes to support your growing baby, you might wonder: “Is it safe to exercise?” The short answer is yes, for most pregnant women, regular physical activity is not only safe but highly beneficial. However, there are some important guidelines and exceptions to consider.


Why Exercise During Pregnancy?

Staying active while you're pregnant offers a range of benefits for both you and your baby. According to health professionals and organizations like the American College of Obstetricians and Gynecologists (ACOG), regular exercise can:

  • Boost your mood and energy levels

  • Improve sleep quality

  • Relieve backaches and reduce constipation

  • Promote healthy weight gain

  • Strengthen muscles for labor and delivery

  • Lower the risk of gestational diabetes and high blood pressure


What Types of Exercise Are Safe?

The best types of exercises during pregnancy are low impact, gentle on the joints, and suitable for your changing body. Here are a few great options:

1. Walking

A simple and effective way to stay active without putting strain on your body.

2. Swimming

Buoyancy in water relieves pressure from joints while giving you a full body workout.

3. Prenatal Yoga

Improves flexibility, promotes relaxation, and strengthens pelvic muscles.

4. Stationary Cycling

Safe for cardiovascular health without the risk of falls.

5. Strength Training

Light weights and bodyweight exercises can help maintain muscle tone, under professional guidance.


Tips for Safe Exercise During Pregnancy

While exercise is generally good, it’s important to keep a few safety tips in mind:

  • Consult your doctor before starting or continuing an exercise routine.

  • Stay hydrated  drink water before, during, and after your workout.

  • Avoid overheating, especially in the first trimester.

  • Wear comfortable, breathable clothing and supportive shoes.

  • Listen to your body  rest if you feel tired or unwell.

  • Avoid lying flat on your back after the first trimester, as it can reduce blood flow.

  • Skip high-risk activities, such as contact sports, heavy lifting, or exercises with a high risk of falling (like skiing or horseback riding).


When to Stop Exercising

Stop exercising and contact your healthcare provider immediately if you experience:

  • Vaginal bleeding or fluid leakage

  • Dizziness or shortness of breath before exertion

  • Chest pain

  • Headache

  • Muscle weakness

  • Calf pain or swelling

  • Decreased fetal movement

  • Contractions during or after exercise


Special Considerations

Some pregnancies require modified or limited activity. If you have any of the following conditions, your doctor may recommend avoiding exercise:

  • History of miscarriage or preterm labor

  • Placenta previa after 26 weeks

  • Severe anemia

  • Heart or lung disease

  • Cervical insufficiency

Always follow your doctor’s advice for a safe and healthy pregnancy.