title: Recurrences of trisomy 18 and trisomy 13 after trisomy 21.
abstract: Between 40 years and 43 years of age, a woman had three consecutive pregnancies with different prenatally diagnosed autosomal trisomies. This is compatible with the view that the predisposition to non-disjunction is not chromosome-specific.
authors.affiliation: Duncan Guthrie Institute of Medical Genetics, Royal Hospital for Sick Children, Yorkhill, Glasgow, UK.
authors.forename: D R
authors.initials: DR
authors.lastname: FitzPatrick
authors.forename: E
authors.initials: E
authors.lastname: Boyd
mesh_terms: D000328:Adult; D002882:Chromosomes, Human, Pair 13; D002887:Chromosomes, Human, Pair 18; D004314:Down Syndrome; D005260:Female; D006801:Humans; D008423:Maternal Age; D011247:Pregnancy; D018566:Pregnancy, High-Risk; D012008:Recurrence; D014314:Trisomy