Effect of parity, gravidity, previous miscarriage, and age on risk of Down's syndrome: population based study.
Chan
A
A
Epidemiology Branch, South Australian Health Commission, PO Box 6, Rundle Mall, Adelaide, South Australia 5000, Australia. chan.annabelle@health.sa.gar.au
McCaul
K A
KA
Keane
R J
RJ
Haan
E A
EA
D000022:Abortion, Spontaneous / Q000453:epidemiology; D004314:Down Syndrome / Q000453:epidemiology / Q000209:etiology*; D005260:Female; D020073:Gravidity; D006801:Humans; D008423:Maternal Age; D010298:Parity; D011247:Pregnancy; D012307:Risk Factors; D013021:South Australia / Q000453:epidemiology