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Keyphrases
Down Syndrome
100%
First Trimester
100%
Maternal Serum
100%
Fetal Down Syndrome
100%
Associated Proteins
80%
Human Chorionic Gonadotropin
80%
Pregnancy Disorders
80%
β Subunit
60%
Confidence Interval
40%
Fetus
40%
Alpha-fetoprotein
40%
Detection Rate
40%
Nuchal Translucency
40%
Unconjugated Estriol
40%
Free β-human Chorionic Gonadotropin
40%
Week of Gestation
40%
Background Screening
20%
False Positive Rate
20%
Maternal Age
20%
Serum Markers
20%
Prenatal Screening
20%
Prenatal Diagnosis
20%
Serum Concentration
20%
Second Trimester of Pregnancy
20%
Chorionic Villus Sampling
20%
Diagnostic Centre
20%
Serum Assay
20%
Serum Human Chorionic Gonadotropin
20%
Ultrasound Measurements
20%
Amniocentesis
20%
Chromosomal Analysis
20%
Ultrasonographic Examination
20%
Medicine and Dentistry
Chorionic Gonadotropin
100%
Down Syndrome
100%
Maternal Serum
100%
First Trimester Pregnancy
100%
Beta Chain
71%
Protein A
57%
Pregnancy Associated Protein
57%
Alpha-Fetoprotein
28%
Estriol
28%
Nuchal Translucency Measurement
28%
False Positive Result
14%
Maternal Age
14%
Prenatal Screening
14%
Chromosome Analysis
14%
Prenatal Diagnostics
14%
Second Trimester Pregnancy
14%
Chorionic Villus Sampling
14%
Amniocentesis
14%
Background Screening
14%