title: Variation in second trimester fetal growth and sonographic determination of gestational age.
authors.forename: I K
authors.initials: IK
authors.lastname: Rossavik
mesh_terms: D005314:Embryonic and Fetal Development; D005260:Female; D005865:Gestational Age; D006801:Humans; D011247:Pregnancy; D016216:Ultrasonography, Prenatal