Prenatal Exposure to Acid-Suppressive Medications and Incident Risk of Inflammatory Bowel Disease in Children
JAMA Network Open 10.1001/jamanetworkopen.2026.20030June 24, 2026 at 11:00 AM EDT
Is prenatal acid-suppressive medication exposure associated with an increased risk of inflammatory bowel disease in children?In this cohort study of 2 631 880 mother-child pairs, prenatal acid-suppressive medication exposure was associated with modestly increased risks of inflammatory bowel disease, particularly for Crohn disease, although sibling comparison analyses showed no association.The very low absolute risk with null findings in sibling analyses suggests limited concern for most acid-suppressive medication use during pregnancy.
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