Editor's Pick Original Investigation

Early Pregnancy Use of Anti-CGRP Monoclonal Antibodies and Propranolol and Spontaneous Abortion Risk

JAMA Neurology 10.1001/jamaneurol.2026.3573

October 12, 2026 at 11:00 AM EDT

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This study attempts to determine whether early pregnancy exposure to anti-calcitonin gene-related peptide monoclonal antibodies or propranolol is associated with spontaneous abortion compared with no exposure.

Corresponding Author: Anick Bérard, PhD, Centre de Recherche Azrieli, Centre Hospitalier Universitaire Sainte-Justine, 3175 Côte-Ste-Catherine, B.17.100, Montreal, QU H3T 1C5, Canada (anick.berard@umontreal.ca).

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