Heartburn During Pregnancy: Causes, Relief Tips & When to Call Your OB
If you’re pregnant and experiencing a burning sensation behind your breastbone or in the back of your throat—especially after eating or lying down—you’re dealing with one of the most common pregnancy discomforts. Heartburn during pregnancy affects many expecting moms and often becomes more noticeable during the second and third trimesters. It can be especially surprising for first-time moms who have never experienced regular reflux before.
The good news is that there are several gentle, pregnancy-safe ways to help manage pregnancy heartburn and improve your comfort throughout the day and night.
Why Is Heartburn So Common During Pregnancy?
Several changes during pregnancy can make heartburn more likely. Relaxin and progesterone, hormones that help prepare your body for birth, can also relax the valve between your esophagus and stomach. This makes it easier for stomach acid to travel upward.
As your baby grows, the expanding uterus can place increasing pressure on your stomach, particularly during the third trimester, which may push stomach acid upward. Pregnancy can also slow digestion, meaning food remains in your stomach longer and gives acid more opportunity to reflux.
When Does Pregnancy Heartburn Usually Start?
The timing varies from woman to woman. Some moms notice heartburn during pregnancy as early as the first trimester as progesterone levels rise. However, it is often more common—and more intense—during the second and third trimesters as the growing uterus places additional pressure on the stomach.
For many women, pregnancy heartburn improves in the days or weeks following delivery as hormone levels change and pressure on the stomach decreases.
Heartburn vs. Something More Serious: What’s Normal?
Occasional heartburn after eating a large, spicy, or fatty meal is a common pregnancy discomfort. However, you should promptly mention certain symptoms to your OB or midwife.
Contact your provider if you experience severe or constant heartburn, pain that spreads to your shoulder or back, difficulty swallowing, or heartburn accompanied by swelling, headaches, or vision changes. These symptoms can sometimes indicate pregnancy conditions unrelated to digestion.
Most pregnancy heartburn, while uncomfortable, is not dangerous on its own.
Gentle, Pregnancy-Safe Ways to Find Heartburn Relief
Eat Smaller, More Frequent Meals
A very full stomach can increase pressure and make it easier for acid to move upward. Eating five or six smaller meals instead of three large meals may help reduce symptoms for some moms.
Stay Upright After Eating
Try to remain upright for at least a couple of hours after eating before lying down. This gives gravity time to help keep stomach acid where it belongs.
Elevate Your Upper Body at Night
Using an extra pillow or wedge to elevate your head and shoulders may help reduce nighttime reflux and make sleeping more comfortable.
Identify Your Personal Food Triggers
Common heartburn triggers include spicy foods, citrus, caffeine, fried foods, and carbonated drinks. However, every pregnancy is different. Keeping track of what you eat before a flare-up can help you recognize your personal triggers.
Wear Loose, Comfortable Clothing
Tight waistbands can add pressure to your stomach and potentially make reflux symptoms worse. Comfortable, loose-fitting clothing may help reduce unnecessary pressure.
Eat Slowly
Taking your time while eating may help reduce discomfort. Eating too quickly can also cause you to swallow extra air, which may contribute to bloating and discomfort.
Always check with your OB or midwife before taking any over-the-counter antacid or medication during pregnancy. Not every option is recommended during pregnancy, and your provider can help you determine what is appropriate for your individual situation.
Foods That May Help vs. Foods That May Trigger Heartburn
Every mom’s triggers are different, but some foods tend to be gentler on the digestive system. Options that may be easier to tolerate include:
- Oatmeal
- Bananas
- Melon
- Lean proteins
- Ginger tea
- Yogurt
Foods that commonly trigger symptoms include:
- Citrus fruits
- Tomato-based sauces
- Chocolate
- Mint
- Fried or greasy foods
- Caffeine
- Carbonated beverages
Consider keeping a simple food journal for a week or two. Writing down what you eat before experiencing a flare-up may help you identify patterns unique to your pregnancy. Triggers can vary from one pregnancy to another and even change throughout different trimesters.
How Prenatal Chiropractic Care May Help
Our prenatal care uses the Webster Technique, a gentle, pregnancy-specific approach designed to support pelvic balance and nervous system function throughout pregnancy.
Because digestion is regulated in large part by the nervous system, some moms find that supporting overall nervous system function alongside healthy lifestyle changes can be a helpful part of their approach to pregnancy discomfort. Prenatal chiropractic care is not a replacement for everyday strategies or medical care, but it may serve as a complementary part of a personalized plan based on your individual needs.
You’re Not Just Dealing With Heartburn
Pregnancy often brings more than one type of discomfort at the same time. If you’re also experiencing pelvic pain, SPD, or sciatic pain down your leg, remember that these are separate patterns from heartburn. Each concern is worth discussing with your care team so your overall comfort and well-being can be addressed throughout your pregnancy.
A Few More Everyday Adjustments
Small daily habits can sometimes make a difference. Try sipping water between meals instead of drinking large amounts with meals, which may help prevent your stomach from becoming overly full.
Chewing gum for a short time after eating may increase saliva, which naturally helps neutralize acid. Avoiding your largest meal immediately before bedtime gives your body more time to digest before you lie down. A short, doctor-approved walk after dinner may also support digestion without the added pressure that can come from lying down immediately after eating.
These strategies don’t replace talking with your OB if your symptoms are significant, but they may provide simple places to start.
When to Call Your OB or Midwife
Most pregnancy heartburn is uncomfortable but not dangerous. Contact your OB or midwife if your symptoms are severe, do not improve with simple lifestyle changes, are accompanied by difficulty swallowing or unintended weight loss, or if you’re unsure whether a particular antacid or medication is safe during your stage of pregnancy.
How Our Team Supports Moms Through Pregnancy
Every pregnancy is different, so our team does not follow a one-size-fits-all approach. A consultation and evaluation help us understand what your body is showing us, allowing care to be personalized around your individual pregnancy rather than a generic timeline or fixed number of visits.
Our goal is to support moms throughout pregnancy with care that is tailored to their unique needs and changing bodies.
Frequently Asked Questions About Heartburn During Pregnancy
Is heartburn a common sign of pregnancy?
Yes. Heartburn is one of the most common pregnancy discomforts, particularly during the second and third trimesters, although some moms experience it earlier.
When does pregnancy heartburn usually start?
Timing varies, but many moms begin noticing heartburn during the second trimester, with symptoms often becoming more noticeable during the third trimester as the growing baby places more pressure on the stomach.
What helps heartburn during pregnancy?
Staying upright after eating, elevating your upper body at night, eating smaller meals, and identifying personal food triggers are simple places to start. Always check with your OB before taking medication for heartburn during pregnancy.
Does pregnancy heartburn mean my baby will have a lot of hair?
This is a popular old wives’ tale. While some small studies have found a possible association, heartburn during pregnancy is primarily explained by hormonal changes and increased physical pressure on the stomach.
Will heartburn go away after I give birth?
For most moms, pregnancy heartburn improves within days or weeks after delivery as hormone levels shift and pressure on the stomach is relieved.
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