title: Reference centile chart for fetal nuchal translucency, maternal serum PAPP-A and free beta hCG.
authors.affiliation: Division of Maternal-Fetal Medicine, Department of Obstetrics & Gynecology, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand. siscw@mahidol.ac.th
authors.forename: Saifon
authors.initials: S
authors.lastname: Chawanpaiboon
authors.forename: Prakong
authors.initials: P
authors.lastname: Cheunwattana
mesh_terms: D000293:Adolescent; D000328:Adult; D018997:Chorionic Gonadotropin, beta Subunit, Human / Q000097:blood*; D004314:Down Syndrome / Q000097:blood / Q000000981:diagnostic imaging* / Q000453:epidemiology; D004797:Enzyme-Linked Immunosorbent Assay; D005260:Female; D005865:Gestational Age; D006801:Humans; D007231:Infant, Newborn; D008875:Middle Aged; D015997:Neonatal Screening; D048208:Nuchal Translucency Measurement; D011247:Pregnancy; D011256:Pregnancy Outcome; D011266:Pregnancy-Associated Plasma Protein-A / Q000032:analysis*; D011446:Prospective Studies; D012016:Reference Values; D012044:Regression Analysis; D012307:Risk Factors; D013785:Thailand; D055815:Young Adult
chemical_list: D018997:Chorionic Gonadotropin, beta Subunit, Human; D011266:Pregnancy-Associated Plasma Protein-A