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用电子生物阻抗仪测定正常孕妇血液动力学变化。测定时间均在上午8:30与中午,每次同时测体重、坐位血压、身高,每个血液循环测定值、心率、10分钟内测三次血液动力取其三次平均值作为正确数。病例来自Utrecht大学医院门诊,单胎无并发症,在第一次门诊时作首次测定,孕妇从分娩前第一次测定至分娩每间隔4周测定一次,并在产后6、12周分别重复测定;孕妇除服用铁剂与维生素外不服任何药物,所有孕妇最后为阴道自然分娩,新生儿Apgar评分至少9分。产妇产后出血在1000ml以
Determination of Hemodynamic Changes in Normal Pregnant Women by Electronic Bioimpedance Instrument. Determination of time at 8:30 am and noon, each simultaneous measurement of body weight, sitting blood pressure, height, measured value of each blood circulation, heart rate, measured three times within 10 minutes to take the average of three hemodynamic power as the correct number. The cases were from the Utrecht University Hospital and had no complications. The first test was performed at the first outpatient visit. The pregnant women were measured from the first measurement before delivery to every four weeks after delivery and were measured repeatedly at 6 and 12 weeks postpartum ; Pregnant women in addition to taking iron and vitamins outside of any drug, all pregnant women finally vaginal natural delivery, Apgar score of at least 9 points. Maternal postpartum hemorrhage in 1000ml