Studies of the change in the risk of breast cancer that comes with hormone replacement therapy have contradicted one another.

Question

Quizplus · Accepted Answer

Different studies on hormone replacement therapy (HRT) and its association with breast cancer risk have indeed produced conflicting results, with some showing increased risk, others showing no change, and still others suggesting a possible protective effect depending on various factors such as the type of hormones used, duration of therapy, and the timing of initiation relative to menopause.

Studies of the Change in the Risk of Breast Cancer