Fertility and Sterility
Volume 89, Issue 5 , Pages 1240-1244, May 2008

Interpregnancy weight gain and the male-to-female sex ratio of the second pregnancy: a population-based cohort study

  • Eduardo Villamor, M.D., DrPH.

      Affiliations

    • Departments of Nutrition and Epidemiology, Harvard School of Public Health, Boston, Massachusetts
    • Corresponding Author InformationReprint requests: E. Villamor, Department of Nutrition, Harvard School of Public Health, 665 Huntington Ave., Boston, MA 02115 (FAX: 617-432-2435).
  • ,
  • Pär Sparén, Ph.D.

      Affiliations

    • Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, Stockholm, Sweden
  • ,
  • Sven Cnattingius, M.D., Ph.D.

      Affiliations

    • Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, Stockholm, Sweden

Received 27 June 2007; received in revised form 7 July 2007; accepted 25 July 2007. published online 24 September 2007.

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 Supported by grants from the Karolinska Institutet.

PII: S0015-0282(07)03016-6

doi:10.1016/j.fertnstert.2007.07.1371

Fertility and Sterility
Volume 89, Issue 5 , Pages 1240-1244, May 2008