Irene Fernández-Buhigas, Nieves Rayo, Julia Cuesta Silos, Berta Serrano, Olga Ocón-Hernández, Bo Wah Leung, Juan Luis Delgado, David Sánchez-Nieves Fernández, Silvia Valle, Laura De Miguel, Aroa Silgado, Ramón Perez Tanoira, Valeria Rolle, Belén Santacruz, Maria M Gil, Liona C Poon
BACKGROUND: While the presence of SARS-CoV-2 in human breast milk is contentious, anti-SARS-CoV-2 antibodies have been consistently detected in human breast milk. However, it is uncertain when and how long the antibodies are present. METHODS: This was a prospective cohort study including all consecutive pregnant women with confirmed SARS-CoV-2 infection during pregnancy, recruited at six maternity units in Spain and Hong Kong from March 2020 to March 2021. Colostrum (day of birth until day 4 postpartum) and mature milk (day 7 postpartum until 6 weeks postpartum) were prospectively collected, and paired maternal blood samples were also collected...
January 18, 2024: International Breastfeeding Journal