Fig. 1
From: Ultrasonographic study of fetal facial profile markers during the first trimester
The measurement of IFA (69.16°); 13w2d, normal Chinese fetus
Fig. 1 | BMC Pregnancy and Childbirth
From: Ultrasonographic study of fetal facial profile markers during the first trimester
The measurement of IFA (69.16°); 13w2d, normal Chinese fetus