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Relationship between relative telomere length and reproductive histories associated with endogenous estrogen exposure. Estimates derived from a model that included reproductive period (yrs.), parity (births), menopause status (pre- vs post), breast feeding duration (yrs.), age at blood draw (yrs.), race/ethnicity (White, Black, Hispanic, Other), paternal age (yrs.), and duration of hormone use (yrs.) and birth control pill use (yrs.).
