ConclusionVTQ is a convenient and noninvasive method for the quantitative analysis of cervical stiffness during preg-nancy and provides a new auxiliary examination for evaluating cervical maturity， and therefore， it may play a guiding role in predicting mode of delivery.

    [KEY WORDS]elasticity imaging techniques; pregnant women; cervical ripening; parturition; ultrasonography， prenatal

    声触诊组织定量(VTQ)技术是一种新型的超声检查方法，通过测量感兴趣区域(ROI)的横向剪切波速度(SWV)，对组织弹性进行定量评估，能够取代当前主观、半定量的触诊方法[1]。目前，VTQ 技术已经广泛应用于甲状腺[2]、肝脏[3]、肾脏[4]、乳房[5]等病变 ......