[Analysis of multiple birth rates in Japan

Imaizumi, Y.

Jinko Mondai Kenkyu 186: 1-13

1988


ISSN/ISBN: 0387-2793
PMID: 12281483
Document Number: 357466
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)

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