Combining ultrasound and biochemistry in first-trimester screening for Down's syndrome.

Wald, N J

Combining ultrasound and biochemistry in first-trimester screening for Down's syndrome. [electronic resource] - Prenatal diagnosis Sep 1997 - 821-9 p. digital

Publication Type: Journal Article

0197-3851


Chorionic Gonadotropin--blood
Down Syndrome--blood
False Positive Reactions
Female
Fetal Diseases--blood
Genetic Testing--methods
Humans
Maternal Age
Neck--diagnostic imaging
Pregnancy--blood
Pregnancy Trimester, First
Pregnancy-Associated Plasma Protein-A--analysis
Prenatal Diagnosis--methods
Risk Factors
Statistics as Topic
Ultrasonography, Prenatal--methods