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What causes heartburn in pregnancy?

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Heartburn in pregnancy may occur because of changing hormone levels, which can affect the muscles of the digestive tract and how different foods are tolerated. Pregnancy hormones can cause the lower esophageal sphincter (the muscular valve between the stomach and esophagus) to relax, allowing stomach acids to back up into the esophagus. In addition, the enlarged uterus can crowd the abdomen, pushing stomach acids upward. Although it's rare, gallstones can also cause heartburn during pregnancy.

From: Heartburn During Pregnancy WebMD Medical Reference

Reviewed by Nivin Todd on September 6, 2018

Medically Reviewed on 9/6/2018

Reviewed by Nivin Todd on September 6, 2018

WAS THIS ANSWER HELPFUL

Reviewed by Nivin Todd on September 6, 2018

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