TY - GEN AU - Krantz,David A AU - Hallahan,Terrence W AU - Macri,V James AU - Macri,James N TI - Maternal weight and ethnic adjustment within a first-trimester Down syndrome and trisomy 18 screening program SN - 0197-3851 PY - 2006///0629 KW - Body Weight KW - Chorionic Gonadotropin, beta Subunit, Human KW - blood KW - Chromosomes, Human, Pair 18 KW - genetics KW - Cohort Studies KW - Down Syndrome KW - diagnosis KW - False Positive Reactions KW - Female KW - Humans KW - Mass Screening KW - Nuchal Translucency Measurement KW - standards KW - Pregnancy KW - Pregnancy Trimester, First KW - Pregnancy-Associated Plasma Protein-A KW - analysis KW - Prenatal Care KW - Prenatal Diagnosis KW - Racial Groups KW - Trisomy N1 - Publication Type: Journal Article UR - https://doi.org/10.1002/pd.1188 ER -