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18世纪Fraucies Galton早已提出对孪生子的研究,近数十年更被人们重视。本文就我省抽样调查住院分娩双胎的情况作一分析。材料与结果在全省选择不同层次34所医院,全年住院分娩围产儿45460名,占全省人口0.8‰,符合流行学的要求。这些医院按统一表格同步进行工作,566例产妇分娩双(多)胎儿1139名。同性别女婴220对,男婴232对,异性孪生114对,其中包括3胎7例,联体儿5例,男女性比1.03∶1。
In the 18th century, Fraucies Galton had already proposed the study of twins, which has been paid more attention in recent decades. In this paper, a sample survey of hospitalized twins in hospital for an analysis. Materials and Results Forty-four hospitals of different levels were selected in the province. 45,460 perinatal babies were hospitalized in the whole year, accounting for 0.8 ‰ of the province’s population, meeting the requirements of epidemiology. These hospitals work in synchrony according to a unified form, with 1139 twin (multiple) fetuses of 566 maternal births. There were 220 pairs of same-sex baby girls, 232 pairs of male babies and 114 pairs of heterosexual twins, including 7 with 3 babies and 5 with conjoined children. The ratio of male to female was 1.03: 1.