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Updated: May 27, 2026

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Published on: May 2, 2025
Pregnancy in women with Fontan physiology
Laurianne Le Gloan1, Lise-Andrée Mercier, Annie Dore
1Adult Congenital Heart Center, Montreal Heart Institute, 5000 Belanger St E, Montreal, QC, H1T 1C8, Canada.
Abstract:
Advances in the care of patients with a univentricular heart have enabled the majority to survive well into adulthood. Consequently, an increasing number of women with Fontan palliation are contemplating pregnancy. This review summarizes physiologic modifications related to pregnancy in the setting of single-ventricle physiology, discusses potential maternal cardiovascular concerns and describes commonly encountered obstetrical and neonatal complications. Management issues are addressed, including counseling, anesthetic considerations and the need for multidisciplinary specialized care.
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