... and comments, including general, OBGYN Economic model Portable B Ultrasound Equipment Model:YSB0123Features:Comprehensive easy-to-use measurements and comments, including ... EF rate, heart rateOB measurements: EDD, GA, FW ( with BPD, GS, CRL, FL, HC, AC )Probes selectable: convex, linear, micro-convex ... Transvaginal ConvexVideo PrinterExtra Battery Economic model Portable B Ultrasound Equipment YSB0123