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Fig. 2 | BMC Pregnancy and Childbirth

Fig. 2

From: Reference values for fetal Doppler-based cardiocirculatory indices in monochorionic-diamniotic twin pregnancy

Fig. 2

Scatter plots with the 5th, 50th, and 95th percentiles of vascular Doppler indices as a function of GA. The superimposed dots on the plot represent the raw values. (UA-PI, pulsatility index of umbilical artery; MCA-PI, pulsatility index of middle cerebral artery; CPR, cerebroplacental ratio; MCA-PSV, peak systolic velocity of middle cerebral artery (cm/sec); DV-PIV, pulsatility index for vein of ductus venosus; DV-S/a, systolic/atrial wave ratio of ductus venosus; DV-E, early diastolic filling time of ductus venosus (sec))

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