Background: Prenatal screening for chromosomal aneuploidies was initiated in the 1970s, based in maternal age. With the introduction of serum and ultrasound biomarkers, new screening methodologies, with higher detection rates and lower false-positive rates, were implemented. More recently, cell-free...
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Format: | Article |
Language: | English |
Published: |
SpringerOpen
2017-01-01
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Series: | Egyptian Journal of Medical Human Genetics |
Subjects: | |
Online Access: | http://www.sciencedirect.com/science/article/pii/S1110863016300507 |