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Pregnancy related protection against breast cancer depends on length of gestation.

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اقرأ على الانترنت اقرأ أكثر حفظ في قائمتي
  • معلومة اضافية
    • الموضوع:
      UNITED Kingdom
    • نبذة مختصرة :
      In a prospective study of 694 657 parous women in Norway, 5474 developed breast cancer after their first birth. If the first pregnancy lasted less than 32 weeks, the risk was 22% (95% confidence interval, -3% to 53%) less than after a pregnancy of 40 weeks or more, with a significant declining trend in risk (P for trend=0.02). [ABSTRACT FROM AUTHOR]