Article
First trimester ultrasound tests alone or in combination with first trimester serum tests for Down's syndrome screening
15 Mar 2017
Abstract excerpt
BACKGROUND: Down's syndrome occurs when a person has three, rather than two copies of chromosome 21; or the specific area of chromosome 21 implicated in causing Down's syndrome. It is the commonest congenital cause of mental disability and also leads to numerous metabolic and structural problems. It can be life-threatening, or lead to considerable ill health, although some individuals have only mild problems and...
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