resting heart rate pregnancy

3 min read 13-03-2025

Meta Description: Your resting heart rate (RHR) naturally increases during pregnancy. Learn what's considered a normal RHR during pregnancy, when to worry, and how to keep your heart healthy. We'll cover factors influencing RHR, potential complications, and tips for managing your heart health.

Understanding Your Resting Heart Rate During Pregnancy

Your resting heart rate (RHR), the number of times your heart beats per minute while at rest, naturally increases during pregnancy. This is a normal physiological change as your body works harder to support both you and your growing baby. Understanding your RHR and what's considered normal throughout your pregnancy is crucial for maintaining a healthy pregnancy.

What is a Normal Resting Heart Rate During Pregnancy?

A normal resting heart rate for a non-pregnant adult typically ranges from 60 to 100 beats per minute (BPM). However, during pregnancy, this can increase significantly. It's not uncommon to see a resting heart rate of 70-90 BPM or even slightly higher. Several factors influence this increase, including:

Increased Blood Volume: Your body produces more blood to nourish the placenta and fetus. This extra blood needs to be pumped, leading to a faster heart rate.
Increased Metabolism: Your metabolism speeds up to meet the energy demands of pregnancy. This increased metabolic activity also increases your heart rate.
Hormonal Changes: Pregnancy hormones like estrogen and progesterone affect your cardiovascular system, contributing to an elevated heart rate.

When to Worry: Recognizing Potential Complications

While an elevated RHR is often normal, a significantly higher or erratic RHR can indicate potential complications. These might include:

Hyperthyroidism: An overactive thyroid gland can cause a rapid heart rate.
Anemia: Low levels of red blood cells can strain your cardiovascular system.
Heart Conditions: Pre-existing or new heart problems can manifest as an abnormal RHR.
Preeclampsia: This condition, characterized by high blood pressure and protein in the urine, can also affect your heart rate.

If you experience any of the following, contact your doctor immediately:

A resting heart rate consistently above 100 BPM.
Dizziness, lightheadedness, or fainting.
Palpitations (feeling your heart racing or fluttering).
Shortness of breath, especially at rest.
Chest pain.

Factors Affecting Your Resting Heart Rate

Several lifestyle choices and health conditions can influence your RHR during pregnancy:

Physical Activity: Moderate exercise can improve cardiovascular health and, surprisingly, lower your RHR. Always consult your doctor before starting a new exercise program.
Stress: High stress levels can increase your heart rate. Practice relaxation techniques like deep breathing or meditation to manage stress.
Dehydration: Dehydration can increase your heart rate, so stay well-hydrated throughout your pregnancy.
Medications: Some medications can affect your heart rate; discuss any medications you are taking with your doctor.
Underlying Health Conditions: Existing health conditions like heart disease or diabetes can influence your RHR.

How to Monitor Your Resting Heart Rate

Monitoring your RHR is simple. You can do this by:

Finding a quiet place to sit or lie down. Avoid strenuous activity beforehand.
Placing two fingers (index and middle) on your wrist, below your thumb, or on your neck, near your carotid artery.
Count the number of beats you feel in 60 seconds. You can also count for 15 seconds and multiply by four.
Record your RHR at the same time each day.

Maintaining a Healthy Heart During Pregnancy

Maintaining a healthy heart during pregnancy involves:

Regular Exercise: Engage in moderate-intensity exercise most days of the week, as approved by your doctor.
Healthy Diet: Eat a balanced diet rich in fruits, vegetables, and whole grains.
Stress Management: Employ stress-reduction techniques like yoga, meditation, or spending time in nature.
Adequate Hydration: Drink plenty of water throughout the day.
Prenatal Care: Attend all scheduled prenatal appointments to monitor your health and address any concerns.

Conclusion

Your resting heart rate will likely increase during pregnancy. While a moderate increase is normal, a consistently high or erratic RHR warrants medical attention. By understanding the factors that influence your RHR, monitoring your heart rate, and adopting a healthy lifestyle, you can contribute to a healthy pregnancy for both you and your baby. Always consult your doctor with any concerns about your heart health during pregnancy. Remember to track your RHR regularly and share any significant changes with your healthcare provider. A healthy pregnancy requires a healthy heart.