10代妊娠の地域格差および経年的推移に関する一考察

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Current study focussed on the interprefectural variation and chronological trend of teenage fertility; 1952-1981 for birth rates and 1972-1982 for abortion rates respectively, intending to provide the information on demographic aspect for the health professionals. Such information is considered to be vitally essential to map out a long term policy for controlling the unfavourable outcomes of the events . The results were as follows: 1. The prefectures with the highest birth rates were limited to northern and southern area of this country during the period of 1954-1957 and the decreasing trend has rapidly become apparent thereafter in these prefectures . On the other hand, there existed two prefectures with the lowest birth rates in central Japan (Nagano and Yamanashi) during the corresponding period, and perfectures with equivalent rates subsequently have appeared in the neighbouring areas taking route to Tokai, Hokuriku-Tohoku and Hokuriku-Sanin. 2. All prefectures over all country were categorized into four of time serial patterns in terms of teenage birth rates. It is notable that five prefectures in West Japan have reversely increased their teenage birth rates during the past fifteen years. 3. Kyushu and Tohoku area have gathered the prefectures with the highest abortion rates forming a couple of geographically distinct blocs during the period of 1978 -1982. Six prefectures which has increased their rates by more than 100 per cent localized in the area of Tohoku and northern part of Kanto. 4. In association with local sense of life, factors closely attached to daily life were more strongly corelated with birth rates as compared to abortion rates.
日本民族衛生学会の論文

10代妊娠の地域格差および経年的推移に関する一考察

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