title: Screening for a 21-chromosome abnormality in preimplanted embryos of elderly women.
authors.affiliation: Reproductive and Genetic Center, Peking University First Hospital, Beijing 100034.
authors.forename: Fang-yin
authors.initials: FY
authors.lastname: Meng
authors.forename: Xiao-hong
authors.initials: XH
authors.lastname: Li
mesh_terms: D000328:Adult; D002869:Chromosome Aberrations; D002891:Chromosomes, Human, Pair 21; D004314:Down Syndrome / Q000175:diagnosis*; D005260:Female; D005307:Fertilization in Vitro; D006801:Humans; D017404:In Situ Hybridization, Fluorescence; D008423:Maternal Age; D011247:Pregnancy; D018566:Pregnancy, High-Risk; D019836:Preimplantation Diagnosis