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25 天
精准定位会阴施压点,优化会阴保护技术:BREGMA 研究成果揭示
他们招募了首次自然阴道分娩单胎足月、头位且枕前位的产妇。研究的关键在于测量两个重要参数:前囟至后阴唇系带距离(Bregma to posterior fourchette distance,BFD)和会阴体长度(Perineal body length,PBL)。在胎儿头部着冠(crowning)后、开始 MPP 或进行会阴切开术 ...
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