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External Quality Assessment of Maternal Serum Levels of Alpha-Fetoprotein, Free Beta-Human Chorionic Gonadotropin, and Unconjugated Estriol in Detecting Down Syndrome and Neural Tube Defects in the Second Trimester of 87 Maternal Serum Samples, Based on 105-139 Days

BACKGROUND: We aimed to insure the accuracy and reproducibility of alpha-fetoprotein (AFP), free beta-human chorionic gonadotropin (free β-hCG), and unconjugated estriol (uE3) concentrations for the screening for trisomy 21 (T21) and neural tube defects (NTD) in the second trimester. We conducted an...

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Detalles Bibliográficos
Autores principales:	Chen, Yiming, Chen, Yijie, Shi, Yezhen, Ning, Wenwen, Wang, Xiaoying, Li, Liyao, Zhang, Huimin
Formato:	Online Artículo Texto
Lenguaje:	English
Publicado:	International Scientific Literature, Inc. 2022
Materias:	Clinical Research
Acceso en línea:	https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9014801/ https://www.ncbi.nlm.nih.gov/pubmed/35414638 http://dx.doi.org/10.12659/MSM.935573

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