Fetuses aren't small children.
Although great strides in prenatal diagnosis have been made by sonography, interpretation has been complicated by failure to recognize fundamental differences between the uterine and extra-uterine environment. Furthermore, extrapolation of knowledge concerning the same disorders in childhood to fetuses produces misleading information about diagnosis and often, prognosis.
Leopold
G R
GR
UCSD Medical Center 92103.
D003937:Diagnosis, Differential; D005314:Embryonic and Fetal Development; D005260:Female; D005315:Fetal Diseases / Q000000981:diagnostic imaging*; D006801:Humans; D011247:Pregnancy; D016216:Ultrasonography, Prenatal