经会阴超声测量中孕期宫颈管长度在预测先兆早产中的临床应用(2)
Conclusion： The measurement of cervical canal length and shape during pregnancy by transperineal ultrasound is helpful to predict the occurrence of threatened preterm birth， accurately and effectively. It is simple and convenient to operate， and has high safety. It is worthy of clinical application.[Key words] Threatened preterm birth Transperineal ultrasound Cervical length Cervical width Prediction
First-author’s address： Huizhou Sixth People’s Hospital ......
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