Fig. 1
AUC of maternal free β-hCG MoM, AFP MoM and risk value of Trisomy 21 for Trisomy 21 in ROC curves. a AUC of AMA; b AUC of non-AMA
Fig. 1 | BMC Pregnancy and Childbirth
AUC of maternal free β-hCG MoM, AFP MoM and risk value of Trisomy 21 for Trisomy 21 in ROC curves. a AUC of AMA; b AUC of non-AMA