Loading metrics Open Access Peer-reviewed Research Article Citation: Cooper JE, Lee H-Y, Wright K, Jaryan P, Kruk ME (2026) Quality of antenatal and delivery care and postnatal care use: A multi-country observational study of 400,000 births. PLoS Med 23(4): e1005055. https://doi.org/10.1371/journal.pmed.1005055 Academic Editor: James G. Beeson, Burnet Institute, AUSTRALIA Received: July 27, 2025; Accepted: April 2, 2026; Published: April 21, 2026 Copyright: © 2026 Cooper et al.