... and the field of OB/GYN Technical Specifications:Imaging mode: B, B+B, 4B, B+M, MDepth scope (mm): 0~225mmResolution (mm): horizontal resolution ... and heart rateOB/GYN software package (BPD, GS, CRL, FL, AC and embryo weight, automatically calculating the expected date of childbirth ... MHz)High-frequency linear probe (5.0MHz, 7.5 MHz) B mode ultrasonic products