... in the gynecology and obstetrics diagnosis Functional characteristics:The KJ-4002 B ultrasonic diagnostic instrument (hereinafter refers to as instrument) adopts ... rate, and the pregnant week (five ways: BPD, GS, CRL, FL, and the AC) and so on; has the Chinese and ... distance, perimeter, area, heart rate, pregnancy week (BPD, GS, CRL, FL, AC) and expected date of childbirthNote: name, serial numbers of ...