portable ultrasound 1) ... 2 Probe connector portable ultrasound, ultrasound scan machine, medical ultrasoundRicso Portable UltrasoundModel: Aurora-A1 ... times both in real-time and frozenOB measurementGS, CRL, BPD, HC, AC, FL, HUMERUS, TIBIA, ... annotationProbe connector2Probes selectableconvex, linear, micro-convex, transvaginal and endorectal 4,Measurement & Calculation B-modedistance, circumference, ...