Gene Test Can Predict Breast Cancer Risk For Women Diagnosed With Abnormal Cells

Key Takeaways

A genetic blood test can predict a woman’s risk for breast cancer after abnormal cells are found in her breast

Women were two times more likely to develop breast cancer if they scored high on the genetic test

Taking family history of breast cancer into account further increased the test’s accuracy

THURSDAY, Oct. 2, 2025 (HealthDay News) — A genetic risk score can help predict which women will develop invasive breast cancer after abnormal cells have been found in their breast tissue, researchers said.

Women who scored high on the genetic blood test were twice as likely to develop breast cancer after doctors found abnormal cells, researchers report in Cancer Epidemiology, Biomarkers & Prevention .

These women had been diagnosed with in-situ carcinoma, a term for abn