First- and second-trimester evaluation of risk for Down syndrome.
Skotko
Brian G
BG
D017028:Caregivers; D017281:Cost of Illness; D003362:Cost-Benefit Analysis; D004314:Down Syndrome / Q000191:economics* / Q000523:psychology; D005260:Female; D006801:Humans; D009679:Nuclear Family / Q000523:psychology; D009769:Object Attachment