title: The effect of maternal age on the frequency of trisomy: change in meiosis or in utero selection?
authors.affiliation: Department of Pediatrics, College of Physicians and Surgeons, Columbia University, New York, New York 10032.
authors.forename: D
authors.initials: D
authors.lastname: Warburton
mesh_terms: D000328:Adult; D005260:Female; D005313:Fetal Death / Q000235:genetics; D006801:Humans; D008297:Male; D008423:Maternal Age; D008540:Meiosis; D008957:Models, Genetic; D009865:Oocytes / Q000166:cytology; D010331:Paternal Age; D011247:Pregnancy; D012641:Selection, Genetic; D013094:Spermatozoa / Q000166:cytology; D014314:Trisomy