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[[Analysis of multiple birth rates in Japan]]
Jinko Mondai Kenkyu. [Journal of Population Problems]
|April 1, 1988
Abstract:
The author analyzes multiple birth rates in Japan based on data from published vital statistics for the years 1951-1968 and from computer files for 1974-1985. "The higher multiple birth rate since 1974 was attributed to the higher proportion of mothers treated with ovulation-inducing hormones in Japan." (SUMMARY IN ENG)
Keywords:
AsiaBiologyBirth RateDemographic FactorsDeveloped CountriesDeveloping CountriesEastern AsiaEndocrine SystemFamily PlanningFertilityFertility AgentsFertility MeasurementsHormonesJapanMultiple BirthOvulationPhysiologyPopulationPopulation DynamicsPregnancyPregnancy OutcomesPregnancy, MultipleReproductionReproductive Control Agents