Which of the following is not an increased risk factor for breast cancer?

Question

Quizplus · Accepted Answer

Having a first child in her twenties is not an increased risk factor for breast cancer, but rather a decreased risk factor. Women who have a first child before age 30 have a lower risk of breast cancer compared to women who have never had children or have their first child after age 30. Family history, early menstruation, and a sedentary lifestyle are all established risk factors for breast cancer.

Which of the Following Is Not an Increased Risk Factor