This study assess retrospectively reported ages at menarche and menopause from w

This study assess retrospectively reported ages at menarche and menopause from women enrolled as
controls in a breast cancer cancer study.
a. Describe the trends by birth cohort in ages of menarche, menopause and the reproductive
lifespan.
b. Are the changes in age at menarche consistent within the data (i.e., between regions)?
c. Is there within region consistency in age at menopause?
d. Discuss possible reasons for the changes in age at menarche and menopause. Could the authors
have examined possible causes in more detail from their own
data? If so, what variables would you suggest?
e. What things did the article leave you wondering about?
f. Research health disparities regarding menopause or menarche?

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