Use of the transverse cerebellar diameter/abdominal circumference ratio in pregnancies at risk for intrauterine growth retardation.
A prospective study was conducted to evaluate the ability of the transverse cerebellar diameter/abdominal circumference ratio to identify growth-retarded fetuses. Of the cases analyzed, 48 of 87 (55%) were growth retarded by birth weight. The transverse cerebellar diameter/abdominal circumference ratio identified growth retardation with a sensitivity of 71%, specificity of 77%, positive predictive value of 79%, and negative predictive value of 68%. Fourteen growth-retarded fetuses were missed by the ratio; however, 57% of the missed cases were severely growth retarded. The transverse cerebellar diameter/abdominal circumference ratio can be useful for the assessment of fetal growth retardation; however, the ratio may be normal in cases of severe fetal growth retardation.
Campbell
W A
WA
Department of Obstetrics & Gynecology, University of Connecticut Health Center, John Dempsey Hospital, Farmington, Connecticut.
Vintzileos
A M
AM
Rodis
J F
JF
Turner
G W
GW
Egan
J F
JF
Nardi
D A
DA
D000005:Abdomen / Q000000981:diagnostic imaging* / Q000196:embryology*; D000886:Anthropometry; D002531:Cerebellum / Q000000981:diagnostic imaging* / Q000196:embryology*; D005260:Female; D005317:Fetal Growth Retardation / Q000000981:diagnostic imaging*; D005333:Fetus / Q000033:anatomy & histology; D005865:Gestational Age; D006801:Humans; D007231:Infant, Newborn; D011247:Pregnancy; D011446:Prospective Studies; D012306:Risk; D016216:Ultrasonography, Prenatal