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Seasonal variation in spontaneous abortions

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  • Warren, C.W.
  • Gold, J.
  • Tyler Jr., C.W.
  • Smith, J.C.
  • Paris, A.L.

Abstract

Using a national sample of hospital discharges, we found identical seasonal patterns for spontaneous abortions and conceptions but no significant seasonal variation in the rate of spontaneous abortions per 1,000 conceptions. The differences between our findings and those of previous investigators of spontaneous abortion may reflect our more comprehensive definition of spontaneous abortion, our more complete estimate of the monthly number of conceptions, and our more rigorous statistical analysis. The periodic regression analysis (PRA) reported in our study may be useful in other studies that monitor short-term trends.

Suggested Citation

  • Warren, C.W. & Gold, J. & Tyler Jr., C.W. & Smith, J.C. & Paris, A.L., 1980. "Seasonal variation in spontaneous abortions," American Journal of Public Health, American Public Health Association, vol. 70(12), pages 1297-1299.
    • Handle: RePEc:aph:ajpbhl:10.2105/ajph.70.12.1297_4
    DOI: 10.2105/AJPH.70.12.1297
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    Cited by:

    1. Boberg-Fazlic, Nina & Ivets, Maryna & Karlsson, Martin & Nilsson, Therese, 2017. "Disease and Fertility: Evidence from the 1918 Influenza Pandemic in Sweden," IZA Discussion Papers 10834, Institute of Labor Economics (IZA).

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