Figure 1From: Screening for hemoglobin Bart’s disease among fetuses at risk at mid-pregnancy using the fetal cardiac diameter to biparietal diameter ratio The plane for measurement of fetal cardiac diameter in the 4-chamber view at end diastole on multiplanar view after adjustiment of the cardio-STIC volume before displaying on a single full-screen image (IVS: interventricular septum). Back to article page