Trisomy 21 risk based on maternal age + Alpha-1-Fetoprotein + Choriogonadotropin + Estriol.unconjugated:Likelihood:Pt:^Fetus:Qn
trisomy 21 risk based on maternal age + alpha-1-fetoprotein + choriogonadotropin + estriol.unconjugated:likelihood:pt:^fetus:qn
Trisomy 21 risk based on maternal age+Alpha-1-Fetoprotein+Choriogonadotropin+Estriol.unconjugated Qn (fetus)
trisomy 21 risk based on maternal age+alpha-1-fetoprotein+choriogonadotropin+estriol.unconjugated qn (fetus)