Research article summary (published 30 Jan 1991):

Normal ultrasonic fetal growth ratios evaluated in cases of fetal disproportion.

Full Abstract

During a 2-year period, 5476 normal routine obstetrical ultrasound investigations were performed in the 2nd trimester (16th to 20th week). Data on biparietal diameter (BPD), abdominal diameter (AD) and femur length (FL) have been obtained from this material. Ratios between BPD/AD and BPD/FL have been calculated, and from these ratios, graphs were constructed. Only nine normal fetuses (0.2%) were found to be outside mean +/- 3 SD, and none of the normal cases were +/- 4 SD, so this is perhaps a better guideline for those warranting further investigation. To evaluate if these ratios could better reflect disproportional fetal growth, three cases of triploidy and four cases of dwarfism were tested against these ratios. Triploidy was obvious on the BPD/AD graph and dwarfism on the BPD/FL graph. The ratios were not found to be conclusive in the intrauterine diagnosis of trisomy 21 or of trisomy 18, as only 4 of 17 cases were obvious on the graphs.

Author information

Author/s: Crang-Svalenius, E (E); Jörgensen, C (C);

Affiliation: Department of Obstetrics and Gynecology, University Hospital, LUND, Sweden.

Journal and publication information

Publication Type: Journal Article

Journal: Journal of ultrasound in medicine : official journal of the American Institute of Ultrasound in Medicine (J Ultrasound Med), published in UNITED STATES. (Language: eng)

Reference: 1991-Feb; vol 10 (issue 2) : pp 89-92

Dates: Created 1991/05/29; Completed 1991/05/29; Revised 2004/11/17;

PMID: 2020055, status: MEDLINE (last retrieval date: 2/18/2009, IMS Date: 18 Feb 2009 00:00:00)

Sourced from the National Library of Medicine. Abstract text and other information may be subject to copyright.

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MeSH headings (categories)

This article was linked to the MESH Headings shown below.

Embryonic and Fetal Development Female Humans

Humans Pregnancy Ultrasonography, Prenatal

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