单词vertex presentation
un.: 头顶先露
头顶先露
Objective: To analyze the causes, clinical manifestations and treatment of dystocia of vertex presentation.
目的：探讨头位难产的原因，临床表现及处理方法，以提高产科质量。
Persistent occipitoposterior position of the vertex presentation; POP
持续性枕后位顶先露
The alternation of application of obstetrics forceps in dystocia of vertex presentation
头位难产中产钳助产术应用变迁