title: [The human fetal development time table of the major limb bones-ultrasonic bone age].
abstract: B-ultrasonic technique was used to examine 297 Chinese fetuses in normal pregnancy woman of completed week age from 12 to 38 weeks. The lengths of the major limb bones were measured and statistical analysis showed that the positive linear correlation between the development of fetuses' limb bones and the completed fetal age is significant.
authors.forename: X
authors.initials: X
authors.lastname: Wu
authors.forename: T
authors.initials: T
authors.lastname: Yang
authors.forename: Y
authors.initials: Y
authors.lastname: Li
authors.forename: Z
authors.initials: Z
authors.lastname: Sun
mesh_terms: D001846:Bone Development; D001842:Bone and Bones / Q000000981:diagnostic imaging* / Q000196:embryology; D005314:Embryonic and Fetal Development; D005260:Female; D005865:Gestational Age; D006801:Humans; D011247:Pregnancy; D016216:Ultrasonography, Prenatal