prenatal ultrasound的用法和樣例：
例句
- Prenatal ultrasound screening is one of the effective means of intervention for birth defects control.
產(chǎn)前超聲篩查是干預胎兒出生缺陷的有效手段之一。 - The SPD and BPD measured by ultrasound would be method for diagnosis of cephalopelvic disproportion in childbearing.
臨產(chǎn)前超聲測量胎兒雙頂徑及孕婦骨盆骶恥徑可作為產(chǎn)前頭盆不稱(chēng)篩查的檢測方法而值得臨床應用。
