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Heartburn at 27 Weeks Pregnant | Pregnancy Power Hour
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Week 27 symptom · mild

Heartburn at 27 Weeks Pregnant

At 27 weeks pregnant, heartburn often intensifies as your growing uterus presses upward, making symptoms more noticeable, especially when lying flat.

2 min read

Quick answer

At 27 weeks pregnant, heartburn often intensifies as your growing uterus presses upward, making symptoms more noticeable, especially when lying flat.

Also called: pregnancy acid reflux

At 27 weeks pregnant, as your uterus continues its upward expansion, you might notice heartburn becoming a more persistent and uncomfortable companion, especially when you lie down. This isn't just a random occurrence; it's a direct result of your body's incredible adaptations. The growing uterus is now significantly pressing on your stomach, creating increased pressure that can push stomach acid upward. This physical pressure, combined with the hormonal shifts of pregnancy – specifically progesterone relaxing the lower esophageal sphincter, the valve that typically keeps stomach contents in place – creates a perfect storm for what many call 'pregnancy acid reflux.' Understanding these physiological changes can bring a sense of clarity to what you're feeling, assuring you that these sensations are a common, though unwelcome, part of the process.

This sensation can be particularly noticeable when you're trying to rest or sleep, as gravity is no longer helping to keep stomach contents where they belong. This is why many find that lying flat can significantly exacerbate symptoms, leading to disrupted nights and general discomfort. It’s a gentle reminder that your body is working hard, supporting the growth of your baby, and these digestive shifts are a normal part of pregnancy's landscape. Just as your body adjusts to other changes, like increased vaginal discharge that might make you wonder about Yeast Infection Symptoms in Pregnancy at 15 Weeks Pregnant, these digestive shifts are also part of the experience.

While it can certainly be uncomfortable, there are practical, evidence-based ways to find some ease and manage these symptoms. Simple dietary adjustments, such as identifying and avoiding trigger foods like spicy or acidic meals, or opting for smaller, more frequent meals throughout the day, can make a noticeable difference. For many, over-the-counter options are a safe and effective first line of support. Calcium carbonate antacids, like Tums or Rolaids, are widely considered safe across all trimesters and can offer quick relief by neutralizing stomach acid. You get to decide which approaches feel most supportive for your body.

If antacids alone aren't providing sufficient relief, it's a good idea to have a conversation with your care provider. They can offer personalized guidance and explore other options that are considered safe during pregnancy. For instance, famotidine (Pepcid) is considered safe when antacids aren't enough. For more persistent or severe symptoms, omeprazole and other proton pump inhibitors (PPIs) are generally considered safe in the second and third trimesters. Remember, these conversations with your care team are essential for informed decisions about your well-being. They can help you navigate these choices, much like discussing any unexpected changes you might observe, such as those related to Yeast Infection Symptoms in Pregnancy at 13 Weeks Pregnant or even Yeast Infection Symptoms in Pregnancy at 10 Weeks Pregnant. Your provider is your best resource for your specific situation, helping you feel calm, clear, and confident.

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Common questions

Why is heartburn worse when I lie down at 27 weeks?+

At 27 weeks, your growing uterus puts more pressure on your stomach. When you lie flat, gravity no longer helps keep stomach acid down, making symptoms more noticeable.

Are antacids safe for pregnancy?+

Yes, calcium carbonate antacids (like Tums or Rolaids) are considered a safe first-line option across all trimesters for heartburn relief.

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.

Keep reading

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