Paternal age and Down's syndrome genotypes diagnosed prenatally: no association in New York state data.
D000328:Adult; D004314:Down Syndrome / Q000209:etiology / Q000235:genetics*; D005260:Female; D005838:Genotype; D006801:Humans; D008297:Male; D008423:Maternal Age; D008875:Middle Aged; D009518:New York; D010331:Paternal Age; D011247:Pregnancy; D011296:Prenatal Diagnosis; D012042:Registries; D012044:Regression Analysis; D012306:Risk