Heartburn During Pregnancy: Causes, Symptoms, 15 Safe Remedies & When to See a Doctor

Did you know that heartburn during pregnancy affects nearly half of all expectant mothers? A 2025 systematic review published in BMC Pregnancy and Childbirth found that around 41% of pregnant women experience acid reflux symptoms, with the number rising to almost 56% in the third trimester. Whether it's a burning sensation after meals or sleepless nights caused by acid reflux, heartburn during pregnancy can quickly become one of the most frustrating pregnancy symptoms. The good news? Simple lifestyle changes and pregnancy-safe remedies can provide significant relief. In this guide, you'll learn what causes pregnancy heartburn, how to treat it naturally, and when it's time to speak with your doctor.

Source: BMC Pregnancy and Childbirth (2025)

Quick Facts About Heartburn During Pregnancy

Topic	Details
Medical Name	Gastroesophageal reflux (GERD) during pregnancy
Most Common Dyuring	Second and third trimesters
Main Causes	Hormonal changes and pressure from the growing uterus
Common Symptoms	Burning chest, acid reflux, sour taste, bloating, burping
Usually Harmful?	No, but it can be uncomfortable
Can It Be Prevented?	Healthy eating habits and lifestyle changes may help reduce symptoms
When to See a Doctor	If symptoms become severe, persistent, or interfere with eating or sleeping

Key Takeaways:

✔ Heartburn during pregnancy is a common digestive problem, especially during the second and third trimesters.

✔ Hormonal changes and pressure from your growing baby are the main causes of pregnancy heartburn.

✔ Eating smaller meals and avoiding spicy or greasy foods can help reduce acid reflux.

✔ Sleeping on your left side and keeping your head slightly elevated may ease nighttime symptoms.

✔ Most cases improve with simple lifestyle changes, but persistent or severe symptoms should always be discussed with your doctor.

✔ Never take antacids or acid-reducing medications during pregnancy without your healthcare provider's approval.

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Table of Contents What Is Heartburn During Pregnancy? What Causes Heartburn During Pregnancy? Common Symptoms of Pregnancy Heartburn 15 Safe Ways to Relieve Heartburn During Pregnancy Foods That Help Reduce Heartburn Foods to Avoid During Pregnancy Best Sleeping Position for Pregnancy Heartburn Natural Home Remedies When Should You See a Doctor? Myth vs. Fact Frequently Asked Questions Final Thoughts

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What Is Heartburn During Pregnancy?

Despite its name, heartburn doesn't involve your heart. It is a digestive condition that causes a burning feeling behind the breastbone or in the throat when stomach acid moves back into the esophagus. This process is commonly known as acid reflux.

Normally, a ring of muscle called the lower esophageal sphincter (LES) acts like a one-way valve. It opens to let food enter the stomach and then closes tightly to prevent stomach acid from flowing upward. During pregnancy, however, hormonal changes cause this muscle to relax more than usual. As a result, stomach acid can escape into the esophagus, leading to the familiar burning sensation.

Many women notice pregnancy heartburn after eating a large meal, bending over, or lying down soon after eating. The discomfort can range from mild to severe and may last for a few minutes or several hours.

Although heartburn can affect women at any stage of pregnancy, it becomes more common as pregnancy progresses because the growing uterus takes up more space inside the abdomen and presses against the stomach.

The reassuring news is that while heartburn during pregnancy can be frustrating, it does not usually harm your baby. In most cases, it can be managed successfully with simple dietary and lifestyle adjustments.

Also Read: Early Pregnancy Symptoms: 15 Signs Every Woman Should Know

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What Causes Heartburn During Pregnancy?

Understanding what causes heartburn during pregnancy can help you make small daily changes that reduce discomfort and prevent flare-ups.

1. Pregnancy Hormones Relax the Digestive Muscles

One of the biggest reasons for pregnancy heartburn is the increase in the hormone progesterone. This hormone plays an essential role in maintaining a healthy pregnancy, but it also relaxes smooth muscles throughout the body—including the lower esophageal sphincter (LES).

When this muscle becomes too relaxed, stomach acid can travel upward into the esophagus, causing irritation and the burning sensation known as heartburn.

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2. Your Growing Baby Puts Pressure on the Stomach

As your baby grows, your uterus expands to create more space. During the second and third trimesters, this enlarged uterus presses against your stomach, increasing the likelihood of acid reflux after meals.

This is why many women notice that third trimester heartburn is often more frequent or intense than earlier in pregnancy.

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3. Digestion Slows Down During Pregnancy

Pregnancy naturally slows the movement of food through your digestive tract. This slower digestion allows your body to absorb more nutrients for your developing baby, but it also means food remains in your stomach longer.

When food stays in the stomach for an extended period, stomach acid has more time to build up, increasing the chances of acid reflux and indigestion.

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4. Eating Large Meals

Eating a large meal stretches the stomach and increases pressure inside the abdomen. Combined with relaxed digestive muscles, this pressure makes it easier for stomach acid to move upward.

Instead of eating three heavy meals, many healthcare providers recommend five to six smaller meals throughout the day to help manage heartburn during pregnancy.

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5. Certain Foods Can Trigger Heartburn

Some foods are more likely to trigger acid reflux during pregnancy, although triggers vary from person to person.

Common trigger foods include:

• Spicy foods

• Fried and greasy meals

• Fatty foods

• Tomatoes and tomato-based sauces

• Citrus fruits like oranges and lemons

• Chocolate

• Onions and garlic

• Coffee and other caffeinated drinks

• Carbonated beverages

Keeping a simple food diary can help you identify your personal triggers and make informed dietary choices without unnecessarily restricting healthy foods.

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6. Lying Down Too Soon After Eating

Gravity naturally helps keep stomach contents where they belong. When you lie down immediately after eating, stomach acid can move more easily into the esophagus, especially if your stomach is full.

Waiting at least two to three hours after a meal before lying down can significantly reduce nighttime heartburn for many pregnant women.

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Did You Know?

Research suggests that heartburn affects more women as pregnancy progresses, with symptoms becoming increasingly common during the third trimester due to the combination of hormonal changes and the growing uterus. While the discomfort can be frustrating, it is generally temporary and often improves after childbirth.

Common Symptoms of Heartburn During Pregnancy

Heartburn during pregnancy doesn't feel the same for everyone. Some women experience mild discomfort after certain meals, while others struggle with frequent acid reflux that affects their sleep and appetite. Symptoms often become more noticeable during the second and third trimesters as your baby grows and puts extra pressure on your stomach.

Common signs of pregnancy heartburn include:

• A burning sensation in the chest, especially after eating

• A sour or bitter taste in the mouth

• Acid or partially digested food coming back up into the throat

• Frequent burping or belching

• Bloating or a feeling of fullness

• Mild nausea after meals

• Difficulty swallowing in some cases

• Symptoms that worsen when lying down or bending over

If your symptoms become severe, occur daily, or are accompanied by vomiting, weight loss, or severe chest pain, contact your healthcare provider promptly.

Also Read: Essential Do’s and Don’ts in Pregnancy

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15 Safe Ways to Relieve Heartburn During Pregnancy

Fortunately, most women can manage heartburn during pregnancy with simple lifestyle changes. These safe, doctor-recommended tips may help reduce acid reflux and improve your comfort throughout pregnancy.

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1. Eat Smaller, More Frequent Meals

One of the easiest and most effective ways to reduce heartburn during pregnancy is to avoid eating large meals. A full stomach increases pressure on the digestive system, making it easier for stomach acid to travel back into the esophagus.

Instead of three heavy meals, try eating five or six smaller meals throughout the day. Smaller portions are easier to digest and may help reduce bloating, indigestion, and acid reflux.

Try eating every three to four hours to keep your energy levels stable while preventing your stomach from becoming overly full. If you feel hungry between meals, choose healthy snacks like yogurt, bananas, whole-grain crackers, or fresh fruit.

Pro Tip: Stop eating when you feel comfortably satisfied rather than completely full.

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2. Eat Slowly and Chew Your Food Well

Busy schedules often make us rush through meals, but eating too quickly can worsen pregnancy heartburn. When you eat fast, you tend to swallow more air and larger pieces of food, making digestion more difficult.

Take small bites and chew each mouthful thoroughly before swallowing. Eating slowly also gives your brain enough time to recognize when you're full, reducing the chances of overeating.

Creating a calm eating environment—without screens or distractions—can also help improve digestion and reduce acid reflux symptoms.

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3. Avoid Foods That Trigger Heartburn

Certain foods naturally relax the valve between the stomach and esophagus or increase stomach acid production, making acid reflux during pregnancy more likely.

Common trigger foods include:

• Spicy curries and hot sauces

• Deep-fried or greasy foods

• Chocolate

• Citrus fruits like oranges and lemons

• Tomatoes and tomato-based sauces

• Coffee and caffeinated tea

• Soft drinks and sparkling beverages

• Peppermint

• Fatty meats

Not every woman has the same triggers. Keeping a simple food diary for a week or two can help you identify which foods make your symptoms worse.

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4. Drink Fluids Between Meals Instead of During Meals

Staying hydrated is essential during pregnancy, but drinking large amounts of water while eating can make your stomach feel overly full. This extra pressure may increase heartburn during pregnancy in some women.

Instead, sip water throughout the day and try to drink most of your fluids between meals rather than with them. This approach may support comfortable digestion while helping you stay well hydrated.

Aim for plenty of water throughout the day unless your healthcare provider has given you different recommendations.

5. Stay Upright After Eating

Lying down immediately after a meal makes it much easier for stomach acid to move into the esophagus. After eating, try to remain upright for at least two to three hours.

You don't need to exercise vigorously. Simply sitting comfortably, doing light household activities, or taking a gentle walk allows gravity to help keep stomach acid where it belongs.

If you often experience nighttime heartburn, try eating dinner a little earlier so your body has more time to digest your meal before bedtime.

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6. Sleep on Your Left Side

Your sleeping position can make a surprising difference when it comes to heartburn during pregnancy. Experts often recommend sleeping on your left side, especially during the second and third trimesters. This position helps keep the stomach below the esophagus, making it more difficult for acid to flow upward. It may also support healthy blood circulation for both you and your baby.

For extra comfort, place a pregnancy pillow or regular pillow between your knees and behind your back to support your body while sleeping.

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7. Elevate Your Head While Sleeping

If heartburn tends to wake you during the night, raising your upper body slightly can help prevent stomach acid from traveling upward.

Instead of stacking several soft pillows under your head, use a wedge pillow or slightly elevate the head of your bed if possible. Keeping your chest higher than your stomach allows gravity to work in your favor and may reduce nighttime reflux.

Combining this tip with sleeping on your left side often provides even better relief.

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8. Take a Gentle Walk After Meals

A short walk after eating is one of the simplest ways to support healthy digestion. Gentle movement encourages food to move through your digestive system more efficiently and may reduce the chances of pregnancy acid reflux.

Aim for a 5 to 10-minute walk after your meals if your healthcare provider has advised that light exercise is safe for you.

Avoid vigorous workouts immediately after eating, as intense activity can sometimes make heartburn worse.

Quick Tip: Even walking around your home or garden for a few minutes is better than lying down straight after a meal.

9. Wear Loose, Comfortable Clothing

Your clothing choice can have a bigger impact on heartburn than you might think. Tight jeans, fitted dresses, or anything that puts pressure on your abdomen can squeeze your stomach and make acid reflux worse.

During pregnancy, comfort should always come first. Choose loose-fitting maternity clothes that allow your stomach to expand without unnecessary pressure. Soft, breathable fabrics can also help you feel more comfortable throughout the day.

It may seem like a small change, but many women notice less discomfort simply by switching to clothing that doesn't press against their growing bump.

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10. Eat Dinner Earlier

Late-night meals are one of the most common reasons heartburn becomes worse at bedtime.

Try to finish dinner at least two to three hours before going to sleep. This gives your stomach enough time to digest food before you lie down.

If you feel hungry later in the evening, have a light snack instead of a heavy meal. A banana, a few whole-grain crackers, or a small bowl of oatmeal are often easier on the stomach than spicy or fried foods.

A simple change to your dinner schedule can make a noticeable difference in how well you sleep.

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11. Choose Heartburn-Friendly Foods

While some foods can trigger acid reflux, others may help soothe your digestive system.

Many pregnant women find these foods easier to tolerate:

• Oatmeal

• Bananas

• Brown rice

• Whole-grain bread

• Yogurt (if it suits you)

• Steamed vegetables

• Apples

• Lean chicken

• Plain potatoes

• Fresh cucumber

Everyone's body is different, so pay attention to how you feel after eating. What works well for one person may not work for another.

The goal isn't to follow a strict diet—it's to find foods that keep you comfortable while providing the nutrients your baby needs.

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12. Know Your Personal Trigger Foods

There isn't a single list of foods that causes heartburn for every pregnant woman.

Some women can eat tomatoes without any problem but experience discomfort after chocolate. Others may find spicy food perfectly fine but struggle with citrus fruits.

Keeping a simple food diary for a week can help you spot patterns.

Write down:

• What you ate

• What time you ate

• When heartburn started

• How severe it felt

After a few days, you'll often notice which foods are worth limiting.

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13. Stay Active With Gentle Movement

You don't need an intense workout to support digestion. A short walk after meals, gentle prenatal yoga (if approved by your healthcare provider), or simple stretching can help food move through your digestive system more comfortably.

On the other hand, avoid exercising immediately after eating or doing movements that involve bending forward, as these may trigger acid reflux. Even ten minutes of light movement each day can benefit both digestion and overall pregnancy health.

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14. Don't Take Medicines Without Medical Advice

When heartburn becomes frequent, it's tempting to reach for over-the-counter medicines. However, not every antacid is suitable during pregnancy.

Always check with your obstetrician or healthcare provider before taking any medication, including products that are available without a prescription.

If lifestyle changes aren't enough to control your symptoms, your doctor can recommend a treatment that's considered appropriate for your stage of pregnancy and your medical history.

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15. Know When It's Time to See Your Doctor

Occasional heartburn is common during pregnancy, but persistent symptoms shouldn't be ignored.

Speak to your healthcare provider if:

• Heartburn happens almost every day.

• The burning sensation becomes severe.

• You have difficulty swallowing.

• You lose weight because eating is uncomfortable.

• Symptoms continue even after making lifestyle changes.

• You have severe chest pain, vomiting blood, or black stools. These symptoms require immediate medical attention.

Early medical advice can help rule out other conditions and ensure you receive the right treatment.

Also Read: What Not to Eat During Pregnancy

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Foods That May Help Reduce Heartburn During Pregnancy

Choosing gentle, easy-to-digest foods may help reduce acid reflux and keep you comfortable throughout the day.

Food To Include	Why They May Help
Oatmeal	Gentle on the stomach and filling
Bananas	Naturally low in acid
Brown Rice	Easy to digest
Whole Grains	Supports healthy digestion
Yogurt	May soothe the stomach for some women
Apples	Lower in acid than many citrus fruits
Steamed Vegetables	Nutritious and easy to digest
Lean Chicken	Lower in fat than fried meats
Plain Potatoes	Mild and filling
Ginger (in moderation)	May help with nausea and digestion

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Foods That May Trigger Heartburn

Not everyone reacts to the same foods, but these are common triggers.

• Spicy foods

• Fried foods

• Fatty meals

• Chocolate

• Citrus fruits

• Tomatoes

• Tomato ketchup and sauces

• Coffee

• Strong tea

• Fizzy drinks

• Peppermint

• Very rich desserts

Rather than avoiding everything, identify the foods that seem to trigger your symptoms.

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Best Sleeping Position for Heartburn During Pregnancy

If heartburn is keeping you awake, your sleeping position could be part of the problem. Healthcare professionals generally recommend sleeping on your left side, especially during the second and third trimesters. This position helps reduce the chance of stomach acid flowing back into the esophagus and also supports healthy blood flow to the placenta.

For extra comfort:

• Sleep on your left side.

• Use a pregnancy pillow or place a pillow between your knees.

• Raise your upper body slightly with a wedge pillow if nighttime heartburn is a frequent problem.

• Avoid lying down immediately after dinner.

Many women find that these simple adjustments make nights much more comfortable.

Natural Home Remedies for Heartburn During Pregnancy

Many pregnant women look for natural ways to ease heartburn before considering medication. While home remedies may provide relief, remember that what works for one person may not work for another. If your symptoms are frequent or severe, speak with your healthcare provider.

1. Eat a Ripe Banana: Bananas are naturally low in acid and are gentle on the stomach. Many women find that eating a ripe banana between meals helps reduce the burning sensation.

2. Try a Small Amount of Ginger: Ginger is widely used to ease nausea during pregnancy and may also support digestion. You can add fresh ginger to warm water or drink ginger tea if your healthcare provider says it's appropriate for you.

3. Sip Water Throughout the Day: Rather than drinking large amounts of water with meals, take small sips between meals to stay hydrated without making your stomach feel overly full.

4. Choose Smaller Evening Meals: Heavy dinners are more likely to trigger nighttime heartburn. A lighter meal in the evening is often easier to digest and may help you sleep more comfortably.

5. Keep a Food Diary: Tracking what you eat and when your symptoms appear can help you identify personal trigger foods. This simple habit often makes it easier to manage heartburn over time.

Remember: Natural remedies can help relieve mild symptoms, but they should never replace medical advice if your heartburn becomes severe or persistent.

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👩‍⚕️ Doctor's Tip

Heartburn is a normal part of pregnancy for many women, but you don't have to simply put up with it. Small changes like eating smaller meals, avoiding trigger foods, and sleeping on your left side often provide noticeable relief. If heartburn starts affecting your sleep, appetite, or daily routine, don't self-medicate. Speak with your obstetrician or healthcare provider, who can recommend pregnancy-safe treatment options based on your individual needs.

Myth vs Fact About Heartburn in Pregnancy

Myth	Fact
Heartburn means your baby will have lots of hair.	Some studies suggest a possible association, but heartburn is not a reliable way to predict how much hair your baby will have.
Heartburn can harm the baby.	Heartburn usually affects the mother, not the baby.
Drinking milk always cures heartburn.	Milk may provide temporary relief for some women but can worsen symptoms for others.
You should stop eating if you have heartburn.	Eating smaller, balanced meals is healthier than skipping meals.
Every pregnant woman experiences heartburn.	Many women do, but not everyone develops this symptom during pregnancy.

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Frequently Asked Questions

1. Is heartburn during pregnancy normal?

Yes. Heartburn is one of the most common pregnancy symptoms, especially during the second and third trimesters. Hormonal changes relax the valve between the stomach and esophagus, while the growing uterus puts pressure on the stomach, making acid reflux more likely.

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2. When does heartburn usually start during pregnancy?

Heartburn can begin as early as the first trimester due to hormonal changes, but it is more common during the second trimester and often becomes worse in the third trimester as your baby grows and puts extra pressure on your stomach.

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3. What causes heartburn during pregnancy?

Heartburn during pregnancy is mainly caused by increased progesterone levels, which relax the lower esophageal sphincter, allowing stomach acid to flow into the esophagus. A growing uterus and slower digestion can also contribute to acid reflux.

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4. What foods should I avoid if I have heartburn during pregnancy?

If you're experiencing heartburn, try limiting spicy foods, fried or greasy meals, chocolate, tomatoes, citrus fruits, coffee, carbonated drinks, peppermint, and high-fat foods. Keeping a food diary can help you identify your personal triggers.

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5. What foods help relieve heartburn during pregnancy?

Many women find relief by eating oatmeal, bananas, yogurt, whole grains, apples, steamed vegetables, lean proteins, and plain rice. Eating smaller, more frequent meals can also help reduce acid reflux symptoms.

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6. Is heartburn a sign that my baby will have lots of hair?

Not necessarily. Although one small study found a possible link between pregnancy heartburn and babies born with more hair, heartburn is not a reliable predictor of your baby's hair growth. Many babies with little hair are born to mothers who experienced severe heartburn, and vice versa.

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7. How can I stop heartburn at night during pregnancy?

To reduce nighttime heartburn, eat dinner at least two to three hours before bedtime, sleep on your left side, elevate your upper body with a wedge pillow, and avoid spicy or heavy meals in the evening.

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8. Can I take antacids during pregnancy?

Some antacids are considered safe during pregnancy, but you should never take any medication without consulting your obstetrician or healthcare provider. They can recommend the safest option based on your symptoms and medical history.

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9. When should I see a doctor for heartburn during pregnancy?

Contact your healthcare provider if your heartburn is severe, happens almost every day, makes it difficult to eat or sleep, or is accompanied by difficulty swallowing, persistent vomiting, vomiting blood, black stools, or severe chest pain.

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10. Will heartburn go away after pregnancy?

In most cases, yes. Heartburn usually improves or disappears after childbirth as pregnancy hormone levels return to normal and the pressure from the uterus on the stomach is relieved.

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11. Can heartburn during pregnancy harm my baby?

No. Heartburn is usually uncomfortable for the mother but does not harm the baby. However, if severe symptoms prevent you from eating properly or lead to dehydration or significant weight loss, it's important to seek medical advice to protect your health and support a healthy pregnancy.

Conclusion

Heartburn may be one of the less enjoyable parts of pregnancy, but it's also one of the most manageable. Understanding what triggers your symptoms and making a few simple lifestyle changes can go a long way toward reducing discomfort. Eating smaller meals, choosing heartburn-friendly foods, staying upright after eating, and sleeping on your left side are all safe strategies that can make a real difference.

Every pregnancy is unique, so don't hesitate to discuss persistent symptoms with your healthcare provider. With the right support and healthy habits, you can focus more on enjoying your pregnancy and less on the discomfort of heartburn.

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Medical Disclaimer:

This article is intended for educational and informational purposes only and should not be considered a substitute for professional medical advice, diagnosis, or treatment. Every pregnancy is different, and symptoms can vary from person to person. Always consult your obstetrician, gynecologist, midwife, or another qualified healthcare professional before trying new remedies, making significant dietary changes, or taking any medication during pregnancy. If you experience severe chest pain, persistent vomiting, difficulty swallowing, vomiting blood, black stools, or severe abdominal pain, seek immediate medical attention.

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References:

1. Zhang X, et al. 

2. BMC Pregnancy and Childbirth. 2025.

3. American College of Obstetricians and Gynecologists (ACOG)

4. Mayo Clinic

5. National Health Service (NHS)

6. Cleveland Clinic

This article was reviewed and updated in July 2026 by the Pregnancy Cures Editorial Team.