First-trimester Screening: An Overview
2005 ◽
Vol 53
(3)
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pp. 281-283
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An improvement in prenatal screening for chromosomal defects has been achieved by combining sonography and biochemical markers. Analyzing markers taken from maternal blood such as pregnancy-associated plasma protein A and free β-human chorionic gonadotropin in combination with the ultrasound marker nuchal translucency provides detection rates of 90% for the most important chromosomal anomalies. In addition, nuchal translucency is a marker for severe heart defects. This report discusses the potential of new markers such as the nasal bone.
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2007 ◽
Vol 196
(1)
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pp. e19
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2008 ◽
Vol 15
(4)
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pp. 204-206
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2010 ◽
Vol 4
(2)
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pp. 97-116
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