Tylenol use in pregnancy may be linked with uterus, ovary changes in daughters


FILE PHOTO: An illustration photo shows Tylenol in Schwenksville, Pennsylvania, U.S. September 24, 2025. REUTERS/Hannah Beier/File Photo

Sept 9 (Reuters) - Female reproductive organ development may ⁠be impacted by a mother's use of Tylenol during pregnancy, according to researchers who emphasize that their study does not prove the ⁠pain medicine is to blame and does not indicate any effect on the girls’ future fertility.

Whether the differences observed in the ‌study of infants have implications for fertility later in life and age at menopause will require long-term follow-up, study leader Margit Bistrup Fischer of Rigshospitalet in Copenhagen said in a statement.

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