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Am J Obstet Gynecol. 1990 Nov;163(5 Pt 1):1604-5.

Screening for trisomy 21 with ultrasonographic determination of biparietal diameter/femur length ratio.

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  • 1Department of Obstetrics and Gynecology, Hôpital Sainte-Justine, University of Montreal, Quebec, Canada.

Abstract

Ultrasonographic determination of biparietal diameter/femur length ratios performed at 16 or 17 weeks' gestation in fetuses with trisomy 21 were not statistically different from those of 155 normal fetuses. It appears that this test could not be used for screening for trisomy 21.

PMID:
2146880
[PubMed - indexed for MEDLINE]
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