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Comparison of First Trimester Screening for Down’s Syndrome Using Free Beta-Human Chorionic Gonadotropin and Pregnancy-Associated Plasma Protein-A Levels between Spontaneous and IVF Pregnancies at 12 Weeks of Gestation
BACKGROUND: In some previous studies, it was shown that first trimester screening tests produce equivocal results in in vitro fertilization (IVF) pregnancies. The purpose of this study was to compare free beta-human chorionic gonadotro- pin (β-hCG) and pregnancy-associated plasma protein-A (PAPPA) l...
Autores principales: | , , , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
Royan Institute
2019
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6500076/ https://www.ncbi.nlm.nih.gov/pubmed/31037917 http://dx.doi.org/10.22074/ijfs.2019.5295 |