Physical activity, body mass index, and ovulatory disorder infertility.

  title={Physical activity, body mass index, and ovulatory disorder infertility.},
  author={Janet Rich-Edwards and Donna Spiegelman and Miriam Garland and Ellen Hertzmark and David J. Hunter and Graham A. Colditz and Walter C Willett and Handan C. Wand and Joann E. Manson},
  volume={13 2},
Few studies have examined whether activity and adiposity levels typical of American women affect their risk of ovulatory disorder infertility, and none has examined moderate and vigorous intensity exercise separately. We investigated these associations in the Nurses' Health Study II, comparing prospectively collected data on adiposity and activity for 830 cases of incident ovulatory infertility and 26,125 pregnancies. We observed a U-shaped association between body mass index (BMI) and relative… CONTINUE READING
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