... ., 4B Color Doppler mode: CFM, PD, PW Triplex: Real-time simultaneous 2D, Doppler& CFM Duplex: Real-time simultaneous 2D & DopplerGray scale256Transducer frequency2-10 MHzDigital technologyDynamic ... zoomB modedistance, circumference, area, volume, angle, fetal growth curveM modedistance, time, velocity, heart rateDoppler ModeVs, Vd, RI, PI, SDSoftware packagesabdomen, gynecology ...