Fig. 2From: The effects of aging and gestational month on uteroplacental vascular perfusion, and umbilical artery hemodynamics in pregnant jenniesPulsed wave and colored Doppler modes ultrasonograms revealed both right (a, b) and left (c, d) middle uterine artery of pregnant she donkey with a gestation length of 200 days with calculation of spectral Doppler indices (resistance [RI] and pulsatility indices [PI]) via both peak velocity (PSV; cm/sec) and end velocity (EDV; cm/sec).R = right, and L = leftBack to article page