An S/D ratio >3.0 or RI >0.6 at ≥28 weeks of gestation is the best threshold for identifying pregnancies at high risk of adverse outcome
21歲孕婦,G1P0,妊娠38週,接受杜卜勒超音波檢查,結果如圖所示,【題組】4..-阿摩線上測驗