BCNatal, Barcelona Centre for Maternal Foetal and Neonatal Medicine, Hospital Sant Joan de Déu and Hospital Clínic. Universitat de Barcelona, Spain; Institut de Recerca Sant Joan de Déu (IR-SJD), 08028, Barcelona, Spain; Primary Care Interventions to Prevent Maternal and Child Chronic Diseases of Perinatal and Developmental Origin, RD21/0012/0001, Instituto de Salud Carlos III, Spain.