age of first menstruation influenced the age of developing breast cancer


Question Number 0032
Question:
A study was performed in order to evaluate whether the age of first menstruation influenced the age of developing breast cancer. Patients first diagnosed with breast cancer were asked for the age of their first menstruation.
This study is likely to result in a
a) recall bias
b) chronologic Bias
c) lead-time bias
d) publication bias
e) selection bias


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