palpitations in pregnancy
Informed by recognized medical guidance
Overview
Palpitations are the feeling that your heart is racing, fluttering, or skipping a beat. During pregnancy, it is common to feel these sensations because your heart works harder to supply blood to you and your baby.
Key facts
- Palpitations during pregnancy are most often harmless and temporary.
- Your blood volume increases by about 50% during pregnancy, so your heart pumps faster.
- Always tell your healthcare provider about new or unusual palpitations, just to be safe.
Yes, palpitations are very common during pregnancy, especially in the second and third trimesters.
Pregnant women of any age can feel palpitations. They are more likely if you are anxious, anemic, or have an overactive thyroid, but they can also happen with no obvious reason.
Symptoms
- Chest pain or tightness that lasts more than a few minutes
- Severe shortness of breath or trouble breathing
- Fainting or passing out
- Pain spreading to your arm, back, neck, or jaw
- ⚠Palpitations that do not go away after a few minutes
- ⚠Dizziness or lightheadedness that is constant
- ⚠Swelling in your legs or feet that is sudden or severe
- ⚠Palpitations along with confusion or extreme fatigue
Common symptoms
- A racing or fast heartbeat
- A fluttering feeling in your chest
- The feeling that your heart skipped a beat
- A pounding sensation in your neck or chest
Causes
Main causes
- Your heart pumps extra blood to support your baby, so it works harder.
- Hormone changes during pregnancy can affect your heart rate.
- Anemia (low iron) makes your heart pump faster to carry oxygen.
- Caffeine, stress, or lack of sleep can trigger palpitations.
- Some thyroid conditions can make your heart race.
Risk factors
- Having anemia before or during pregnancy
- Anxiety or high stress levels
- Previous heart problems or palpitations
- Drinking too much caffeine
- Not getting enough rest or fluids
When to see a doctor
See a doctor urgently if:
- If you faint, have chest pain, or severe shortness of breath, call your local emergency number right away.
Book a routine appointment if:
- If you notice palpitations more than once a day, or they last longer than a few seconds, mention it at your next prenatal visit.
Diagnosis
Your doctor or midwife will listen to your heart, ask about your symptoms, and check your pulse. They may also order simple tests to make sure your heart is working normally.
Tests that may be done
- An ECG (electrocardiogram) – a quick, painless test that records your heart's rhythm
- Blood tests to check for anemia or thyroid problems
- A Holter monitor – a small device you wear for a day or two to track your heart
- An echocardiogram – an ultrasound of your heart, if needed
What to expect at your appointment
These tests are safe during pregnancy. They help rule out serious problems and usually give you peace of mind.
Treatment
Most palpitations in pregnancy do not need medical treatment. If they are caused by something like anemia, stress, or caffeine, treating those triggers usually stops the palpitations.
Self-care at home
- Rest and lie down on your left side when you notice palpitations
- Drink plenty of water
- Cut back on caffeine
- Practice slow, deep breathing to calm yourself
- Get enough sleep and avoid staying up late
- Eat regular meals to keep your blood sugar stable
Medical treatments
If a medical condition such as anemia or thyroid disease causes your palpitations, your doctor will treat that underlying condition. In rare cases, a heart rhythm problem may need treatment. Any medication your doctor recommends will be chosen to be safe for you and your baby.
When is surgery considered?
Surgery is not a usual treatment for palpitations during pregnancy.
Living with this condition
You can live normally with occasional palpitations. Keep note of when they happen and how long they last. That information helps your care team understand what is going on.
Lifestyle tips
- Stay active with gentle activities like walking or prenatal yoga
- Avoid smoking and alcohol
- Manage stress with relaxation exercises or talking to someone
- Wear loose, comfortable clothing
Diet and exercise
Eat a balanced diet with enough iron and fluids. Regular gentle exercise is good for your heart, but stop and rest if you feel unwell.
Mental health and emotional wellbeing
Feeling your heart race can be scary, and worry can make palpitations worse. It's normal to feel anxious. Talk to your midwife or doctor about your concerns – they can support you.
Prevention
You cannot always prevent palpitations, but you can reduce them by staying hydrated, limiting caffeine, resting, and managing stress.
Vaccines
No vaccine prevents palpitations.
Screening programmes
Routine prenatal care checks your blood pressure and heart rate. If you have a history of heart problems, tell your doctor early in pregnancy for extra monitoring.
Complications
If left untreated
- Most palpitations have no complications at all
- If a heart rhythm problem is the cause, ignoring it could lead to fainting or falls
- In rare cases, an untreated underlying heart condition could affect your health or your baby's oxygen supply
Long-term outlook
For most women, palpitations in pregnancy are harmless and go away after delivery. With good prenatal care, any serious cause can be found and managed, and both you and your baby can stay healthy.
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Always verify with your doctor
Health guidelines vary by country and region. The information in this article is based on international clinical guidelines but may not reflect the specific guidelines, medications, or practices in your country. Always discuss your health concerns with your own doctor or healthcare provider, and refer to your local national health guidelines where available.
Important notice This information is for educational purposes only. It does not replace professional medical advice, diagnosis, or treatment. Always consult a qualified healthcare provider about your specific situation. If you are experiencing a medical emergency, call your local emergency services immediately.
Related conditions
Sources and guidance
This article is educational and is prepared with reference to recognized health information and clinical guidance sources where available. Specific source links may vary by topic.
Last updated: July 31, 2026
Educational note: This information is for education only and is not a diagnosis.
Use it to support, not replace, advice from a licensed clinician.
If symptoms are severe, worsening, or urgent, call your local emergency number or seek emergency care.