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Diet and age at menarche.

J Moisan¹, F Meyer, S Gingras

¹Faculté de Médecine, Université Laval, Québec, Canada.

Cancer Causes & Control : CCC

|September 1, 1990

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Dietary intake did not influence the age of menarche in well-nourished girls. This study found no link between food consumption and the timing of the first menstrual period, suggesting diet is not a factor in early menarche.

Area of Science:

Reproductive health
Nutritional science
Oncology

Background:

Early menarche is a known risk factor for breast cancer.
Understanding factors influencing menarche timing is crucial for preventative health strategies.

Purpose of the Study:

To investigate the association between dietary intake and age at menarche.
To determine if specific nutrients or food groups impact the onset of menstruation.

Main Methods:

A prospective study involving 2,299 pre-menarcheal girls in Quebec City, Canada.
Dietary intake assessed on three occasions during the 1986-87 school year.
Proportional hazards models used to compute incidence density ratios (IDRs) adjusted for relevant covariates.

Main Results:

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No significant association was found between quartiles of energy, nutrient, or food-group intakes and the age at menarche.
Adjusted incidence density ratios were not statistically different from the null value across all dietary intake categories.

Conclusions:

In this cohort of well-nourished girls, dietary intake did not appear to influence the age of menarche.
These findings suggest that diet may not be a modifiable factor for altering menarche timing in similar populations.