Research Papers

Cancer Causes & Control

, Volume 1, Issue 2, pp 149-154

First online:

Diet and age at menarche

  • Jocelyne Moisan
  • , François Meyer
  • , Suzanne Gingras

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Early menarche has been associated with higher risk of breast cancer. A prospective study has been conducted in Quebec City, Canada, to evaluate the relationship of dietary intake to age at menarche. On three occasions during the schoolyear 1986–87, 2,299 pre-menarcheal girls kept a three-day dietary record. At the end of a 17-month follow-up, 911 girls (39.6 percent) had reached menarche. Incidence density ratios (IDRs) adjusted for age at entry and mothers' age at menarche were computed using proportional hazards models. IDRs for quartiles of energy, nutrient and food-group intakes were not different from the null value, In this population of well-nourished girls, diet did not influence the age at onset of menarche.

Key words

Adolescence diet follow-up study menarche