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Heartburn at 22 Weeks Pregnant | Pregnancy Power Hour
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Week 22 symptom · mild

Heartburn at 22 Weeks Pregnant

At 22 weeks pregnant, heartburn often begins to emerge as your uterus expands upward, potentially intensifying when you lie flat.

2 min read

Quick answer

At 22 weeks pregnant, heartburn often begins to emerge as your uterus expands upward, potentially intensifying when you lie flat.

Also called: pregnancy acid reflux

As you reach 22 weeks of pregnancy, you might begin to notice the sensation of heartburn, or what some call 'pregnancy acid reflux,' becoming a more present experience. This isn't uncommon; for many, this is the phase where the growing uterus starts to exert upward pressure on your stomach, contributing to the digestive discomfort that can arise. It's a gentle reminder of the significant shifts happening within your body as your baby continues to grow and your organs adjust.

This sensation, often described as a burning feeling in the chest, is a common experience, affecting a significant number of pregnancies. The primary mechanisms behind it are twofold: the hormone progesterone, which is essential for maintaining your pregnancy, also has the effect of relaxing the lower esophageal sphincter—the valve that typically keeps stomach acid from flowing back up into your esophagus. Coupled with the increasing physical pressure from your expanding uterus on your stomach, it creates an environment where acid reflux is more likely to occur. While you might have been focused on other shifts in earlier weeks, perhaps similar to those experiencing Yeast Infection Symptoms in Pregnancy at 18 Weeks Pregnant, this week often brings a new set of considerations related to digestion.

Understanding these physiological changes can bring a sense of clarity and calm. It's not something you're doing wrong; it's a natural, evidence-based consequence of pregnancy. Many people find that symptoms become more noticeable when lying down, which makes sense given the role of gravity and pressure. This can sometimes make nighttime particularly challenging, but there are practical, gentle approaches you can explore to find some ease. Just as you might be noticing other bodily changes, perhaps like those discussed for Yeast Infection Symptoms in Pregnancy at 19 Weeks Pregnant, this is another aspect of your body adapting to support new life.

Remember, you get to decide how you navigate these symptoms. There are various options available, from simple lifestyle adjustments to over-the-counter remedies that are considered safe during pregnancy. The goal is to find what brings you comfort and allows you to feel more grounded and confident as you move through your second trimester. It’s about making informed decisions that support your well-being, much like considering your options for managing other common pregnancy experiences, such as those that might arise around Yeast Infection Symptoms in Pregnancy at 20 Weeks Pregnant. Your care provider is your best resource for your specific situation and can help you explore the most suitable paths for you.

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Common questions

Why am I getting heartburn at 22 weeks?+

At 22 weeks, heartburn is often caused by progesterone relaxing the esophageal sphincter and your growing uterus putting pressure on your stomach.

Are antacids safe during pregnancy?+

Yes, calcium carbonate antacids like Tums and Rolaids are considered safe across all trimesters for managing heartburn.

Brittany Nance

“Pregnancy is under-supported at every week. This is the kind of clear, calm guidance I give my one-on-one clients — and the questions worth taking back to your provider.”

Brittany Nance · Pregnancy Wellness Consultant · full-spectrum doula

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Written by Brittany Nance, Pregnancy Wellness Consultant· BADT Full Spectrum Doula · Founder, Pregnancy Power Hour
Last reviewed July 1, 2026

This is evidence-informed education from a birth-doula perspective, not medical advice. Always discuss your individual situation with your prenatal care provider.

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