Hormonal factors and pancreatic cancer risk in women: The Malmö Diet and Cancer Study.

The relationship between age at menarche and pancreatic cancer risk using categorized variables rendered a borderline significant trend toward an increased risk with higher categories of age at menarche in the age‐adjusted as well as in the fully adjusted analysis ( p trend = 0.055 and 0.050, respectively), however, when adjusting also for total years of menstruation this association was no longer significant ( p trend = 0.139).

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