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1991•American Journal of Medical GeneticsRequires access

Human chorionic gonadotrophin and trisomy 18

Gad Barkai, R. Chaki, M. Sochat, B. Goldman

Open publisher page 7 citations

Abstract

Estimation of maternal serum beta-hCG is used in conjunction with alpha-fetoprotein (AFP) and estriol (E3) for estimating the risk of Down syndrome (DS) affected fetuses. However, low hCG levels have not been regarded as having clinical significance. We report on 2 patients with trisomy 18 fetuses in whom antenatal screening showed extremely low hCG levels (0.05 and 0.15 MOM). Low hCG levels might indicate increased risk for trisomy 18 despite low estimated risk for DS.

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What this paper is about

Estimation of maternal serum beta-hCG is used in conjunction with alpha-fetoprotein (AFP) and estriol (E3) for estimating the risk of Down syndrome (DS) affected fetuses. However, low hCG levels have not been regarded as having clinical significance. We report on 2 patients with trisomy 18 fetuses in whom antenatal screening showed extremely low hCG levels (0.05 and 0.15 MOM). Low hCG levels might indicate increased risk for trisomy 18 despite low estimated risk for DS.

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OpenAlex reports 7 citations for this work. Citation counts describe recorded attention and do not establish research quality.

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Available abstract

Estimation of maternal serum beta-hCG is used in conjunction with alpha-fetoprotein (AFP) and estriol (E3) for estimating the risk of Down syndrome (DS) affected fetuses. However, low hCG levels have not been regarded as having clinical significance. We report on 2 patients with trisomy 18 fetuses in whom antenatal screening showed extremely low hCG levels (0.05 and 0.15 MOM). Low hCG levels might indicate increased risk for trisomy 18 despite low estimated risk for DS.

Key concepts: Trisomy, Down syndrome, Estriol, Aneuploidy, Fetus, Medicine, Obstetrics, Clinical significance

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