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自1980年元月至1981年5月西宁地区三个医院的妇产科协作,对788例,经阴道自然分娩的足月新生儿,进行生理常数的测量,其目的是(一)建立本地区足月新生儿身长,体重以及儿头径线的正常值,(二)与南方地区足月新生儿正常值比较,了解高原地区足月新生儿特点。所选对象是同时期内孕37～42周的正常新生儿,男婴387名,女婴401名,测量由专人负责,统一操作方法。分布如下:
From January 1980 to May 1981, the obstetrics and gynecology departments of three hospitals in the Xining area collaborated in the measurement of physiological constants of 788 newborn infants who had undergone vaginal spontaneous childbirth. Their purpose was to: Full-term newborns, body weight and normal diameter line, (B) with the normal newborn in full-term in southern areas to understand the characteristics of full-term newborns in the plateau. The subjects selected were normal newborns of 37-42 weeks of gestation during the same period, 387 male and 401 female babies. The measurement was performed by a single person and the unified method of operation was used. Distribution is as follows: