Heart palpitations during pregnancy can feel alarming like your heart is fluttering, skipping a beat or pounding out of rhythm. But in many cases, these sensations are completely normal and caused by the natural changes happening in your body to support your growing baby.
During pregnancy, your heart works harder to pump increased blood volume and shifting hormones can affect how your heart beats. While most palpitations are harmless, knowing why they happen and how to manage them can give you peace of mind.
In this guide, we’ll explore the common causes of heart palpitations during pregnancy, when to be concerned and simple ways to manage them naturally.
How Heart Palpitations Differ from a Regular Heartbeat?
Heart palpitations refer to the irregular or forceful heartbeat that may feel different from your normal rhythm. A normal heartbeat is steady and may go unnoticed, while palpitations are felt consciously and may be irregular. They can feel like your heart is beating too fast, too hard or out of rhythm.
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In many cases, heart palpitations during pregnancy are normal, especially if they’re occasional and not accompanied by other symptoms.
First Trimester vs Third Trimester Changes
In the first trimester, hormonal changes are the most common palpitations during pregnancy in the first trimesters.
In the third trimester, the heart is working at full capacity, so palpitations may be more frequent or noticeable during physical activity or at rest.
Causes of Heart Palpitations During Pregnancy
During pregnancy, your heart works more to meet the demands of your body and your baby. This increased pressure can lead to palpitations for several reasons:
Hormonal Changes
Pregnancy hormones like progesterone and adrenaline increase significantly, which can speed up your heart rate and cause palpitations.
Hormonal shifts also make your heart more sensitive to stimulants or emotional triggers, and your Heart rate racing in pregnancy.
Increased Blood Volume and Cardiac Output
By the third trimester, blood volume can increase by 30–50%, putting extra pressure on the heart.
The heart compensates by pumping more blood, which can sometimes be felt as a racing or pounding heartbeat.
Anxiety or Stress Triggers
Worry about your baby, labor or health can increase stress hormones like cortisol and adrenaline.
These hormones may cause or worsen heart palpitations, particularly if accompanied by poor sleep or overthinking.
When to Worry about Heart Palpitations in Pregnancy?
Heart palpitations in pregnancy are generally harmless, but if you are experiencing the following symptoms, consult your doctor for peace of mind and good health:
Palpitations that last longer than a few minutes or occur frequently.
How to Control Heart Palpitations During Pregnancy?
Most palpitations in pregnancy can be managed at home with lifestyle changes and relaxation techniques. Here are strategies on how to control heart palpitations during pregnancy:
Breathing Exercises: Deep breathing helps reduce anxiety and regulate heart rate.Try slow inhaling through the nose for 4 seconds, holding for 4, then exhaling through the mouth for 4 seconds (box breathing).
Monitor Your Symptoms: Keep track of when you experience palpitations and what you were doing at the time. This information can help your doctor to determine the cause.
Hydration and Rest: Dehydration and fatigue can trigger palpitations. Drink plenty of water, particularly during hot weather and aim for 7–9 hours of sleep each night. Take breaks during the day to avoid physical exhaustion.
Foods to Avoid: Limit caffeinated drinks like coffee, tea and soda. Avoid high-sugar snacks or energy drinks, which can spike your heart rate. Instead, opt for balanced meals with complex carbs, lean protein and iron-rich foods.
Follow Medical Advice: If your doctor prescribes medicines or recommends specific treatments, follow their guidance closely.
When to See a Doctor?
You should consult a doctor if:
Palpitations occur more than a few times a day.
They’re accompanied by chest pain, fainting or difficulty breathing.
You have a history of heart disease, anemia or thyroid issues.
You feel uneasy or unsure about your symptoms.
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Heart palpitations during pregnancy is quite common and is usually not a cause for concern. However, it's always recommended to speak with your doctor to find out about any serious conditions. Taking care of both your physical and emotional health can help keep your heart calm and your mind at ease.
Frequently Asked Questions
Heart palpitations are sensations of rapid, fluttering, or pounding heartbeats, typically felt in the chest or throat.
Heart palpitations during pregnancy are often due to hormonal changes, increased blood volume, and heightened emotional or physical stress.
While occasional heart palpitations are common and usually harmless during pregnancy, persistent or severe palpitations should be discussed with a healthcare provider.
To alleviate heart palpitations, pregnant individuals can minimize triggers such as caffeine, practice relaxation techniques, maintain proper hydration, and ensure adequate rest.
Heart rate can begin to increase in the first trimester of pregnancy due to hormonal adjustments and the body's need to support the developing baby.
If your baby's heartbeat is high in the womb, consult your doctor immediately. Stay hydrated, avoid caffeine, rest, and undergo recommended tests like ultrasound or NST for proper evaluation.