title: Is there enough evidence of poor fetal growth to merit narrowing free T4 reference ranges during pregnancy?
authors.forename: Tuija
authors.initials: T
authors.lastname: Männistö
mesh_terms: D001724:Birth Weight / Q000502:physiology*; D005260:Female; D006801:Humans; D011247:Pregnancy; D011261:Pregnancy Trimester, First / Q000097:blood*; D013963:Thyroid Hormones / Q000097:blood*
chemical_list: D013963:Thyroid Hormones