AUTHOR=Tena Vivó Glòria , Cunillera Puértolas Oriol , Albareda Riera Mercè , Parellada Esquius Neus , Isidro Albaladejo Mònica , Rodríguez Palomar Gemma , Palmero Aliste Silvia , Vila Lluís TITLE=Hypothyroidism monitoring and control during the first trimester of pregnancy in Catalonia JOURNAL=Frontiers in Endocrinology VOLUME=Volume 16 - 2025 YEAR=2025 URL=https://www.frontiersin.org/journals/endocrinology/articles/10.3389/fendo.2025.1445977 DOI=10.3389/fendo.2025.1445977 ISSN=1664-2392