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Week 24 · Second Trimestermoderate

Heartburn & Acid Reflux at 24 Weeks Pregnant

Heartburn affects up to 80% of pregnant women, particularly in the second and third trimesters. It occurs when stomach acid backs up into the esophagus.

👶 What's Happening at Week 24

Your baby is now the size of a cantaloupe.

  • The fetus now has a chance of survival if born prematurely (with NICU care).
  • Lungs are developing branches of the respiratory tree.
  • The inner ear develops fully — baby can sense being upside down.

🔬 Why You're Experiencing Heartburn & Acid Reflux at Week 24

  • Progesterone relaxing the lower esophageal sphincter (the valve between stomach and esophagus)
  • Growing uterus pushing stomach upward, reducing its capacity
  • Slower digestion during pregnancy allowing more acid production
  • Eating habits and food triggers

💊 Relief Tips for Week 24

1
Eat Smaller Meals5-6 small meals instead of 3 large ones keeps the stomach from overfilling.
2
Stay Upright After EatingWait at least 2-3 hours after eating before lying down.
3
Elevate Your HeadProp up the head of your bed 6 inches with blocks, or use extra pillows.
4
Avoid Trigger FoodsCommon triggers: spicy foods, citrus, tomato, chocolate, fried foods, and carbonated drinks.
5
AntacidsCalcium-based antacids (Tums) are safe during pregnancy. Avoid antacids containing aluminum or sodium bicarbonate.

📋 Other Week 24 Symptoms

Carpal tunnel symptomsItchy bellyBackacheBraxton Hicks
See full Week 24 guide →

⚠️ Call Your Doctor If…

  • Heartburn so severe it prevents eating or sleeping
  • Difficulty swallowing or pain when swallowing
  • Vomiting blood or dark-colored vomit
  • Unexplained weight loss alongside heartburn

Frequently Asked Questions

Does heartburn mean my baby will have lots of hair?

Surprisingly, a 2006 Johns Hopkins study did find a correlation! But heartburn is caused by hormones and anatomy, not baby's hair.

Is Pepcid (famotidine) safe during pregnancy?

Most doctors consider famotidine safe during pregnancy when antacids aren't sufficient. Always consult your provider before starting any medication.

Will heartburn go away after delivery?

For most women, yes — heartburn resolves within days to weeks after delivery as hormone levels normalize and the uterus shrinks.

Medical Disclaimer: This content is for informational purposes only and does not constitute medical advice. Always consult your OB/GYN or midwife about symptoms during pregnancy.