Current status of fetal age and growth assessment

Reliable fetal age assessment is now possible using antenatal sonography. Crown-rump length, biparietal diameter, head perimeter and femur length are the most widely used parameters, while biocular distance and humerus length are of ancillary value. Techniques of sonographic measurement and clinical...

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Bibliographic Details
Published inClinics in obstetrics and gynaecology Vol. 10; no. 3; p. 423
Main Authors Chervenak, F A, Jeanty, P, Hobbins, J C
Format Journal Article
LanguageEnglish
Published England 01.12.1983
Subjects
Amniotic Fluid
Female
Fetal Growth Retardation - diagnosis
Fetus - anatomy & histology
Fetus - physiology
Gestational Age
Growth
Humans
Pregnancy
Reference Values
Ultrasonography
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Summary:Reliable fetal age assessment is now possible using antenatal sonography. Crown-rump length, biparietal diameter, head perimeter and femur length are the most widely used parameters, while biocular distance and humerus length are of ancillary value. Techniques of sonographic measurement and clinical applications are reviewed and nomograms relating these parameters to gestational age are presented. Multiple sonographic parameters have been used to diagnose altered fetal growth. Clinical applications and pitfalls in the diagnosis of IUGR are discussed when biparietal diameter, abdominal perimeter, head to abdomen ratio, total intrauterine volume, qualitative amniotic fluid determination, fetal urine production rate and estimated fetal weight are used.
ISSN:0306-3356
DOI:10.1016/S0306-3356(21)00583-5