title: [Echography in the 1st pregnancy trimester is prognostically valuable].
authors.forename: F K
authors.initials: FK
authors.lastname: Lotgering
mesh_terms: D005260:Female; D006801:Humans; D011247:Pregnancy; D011261:Pregnancy Trimester, First / Q000502:physiology*; D011296:Prenatal Diagnosis; D016216:Ultrasonography, Prenatal
vernacular_title: Echografie in het eerste trimester van de zwangerschap prognostisch waardevol.