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为探讨初孕妇在无分娩活动异常的自然分娩情况下子宫的收缩活动,选择35例生理妊娠足月、自然分娩的健康初孕妇为研究对象。用“Fetalgard 2000”胎儿监护仪研究其自然分娩时子宫收缩活动。用下列参数评价分娩时子宫收缩活动:阵缩强度及持续时间、收缩及松弛持续时间、阵缩的间隔持续时间、每10min阵缩频率及子宫活性,并观察产程中宫颈扩张速度。本组初孕妇在自然分娩时与脐带异常
In order to investigate the contractile activity of uterus in the first trimester of pregnant women without spontaneous labor, we selected 35 healthy pregnant women with term pregnancy and spontaneous delivery as study subjects. The “Fetalgard 2000” Fetal Monitor was used to study the contractile activity of the uterus during spontaneous labor. Uterine contraction activity at labor was evaluated with the following parameters: strength and duration of contractions, duration of contractions and relaxation, duration of contractions, frequency of contractions every 10 min, and uterine activity, and the rate of cervical dilation during labor. The group of early pregnant women in the natural childbirth and umbilical cord abnormalities