Objective To investigate the pain value of maternal labor pain during vaginal delivery and the change trend of pain location and nature, so as to provide basis for establishment of labor pain intervention. Methods A self-designed questionnaire was used to investigate 222 cases of pregnant women. From the time of 1-2 cm dilatation of the cervix in the parturients, the pain scores and pain nature and site were investigated at different time points in the whole birth process of the parturients, and at 1 h afte...
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