Hospital razor machine with X-ray fluoroscopy for family use, or hosptial use color ... apertureImage whole range dynamic trace changeImage whole range receive delay weight summationSupport semi-moment scanning, and support ± 10 ° linear reception deflection ... , CRL, BPD, AC, HC, FL, AFI, EDD, and calculating fetus weight, pregnancy week, expected delivery date, fetal physiological rating according to ...