Learn how genetics influence breast cancer risk, who should consider genetic testing, and how early detection can save lives. October Breast Cancer Awareness guide.
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| Breast Cancer and Genetics: Know Your Risk, Protect Your Future |
Breast Cancer and Genetics: Know Your Risk
October is Breast Cancer Awareness Month, a global initiative that highlights the importance of prevention, early detection, and informed health decisions. While most breast cancer cases occur sporadically, 5–10% are hereditary, caused by genetic mutations passed through families. Understanding your genetic risk can be a powerful, life-changing step toward long-term health.
What Is Hereditary Breast Cancer?
Hereditary breast cancer occurs when a person inherits gene mutations—most commonly BRCA1 or BRCA2—that significantly increase the risk of breast, ovarian, pancreatic, and prostate cancers. These mutations can be passed down from either parent, and men can be carriers and patients too.
Knowing your genetic makeup allows you and your healthcare provider to create a personalized prevention plan instead of relying on guesswork.
Why Knowing Your Genetic Risk Matters
Genetic testing empowers individuals with actionable information. If a mutation is detected, proactive steps may include:
Earlier and more frequent cancer screenings
Risk-reducing medications
Lifestyle modifications (diet, exercise, smoking cessation)
Preventive surgeries in high-risk cases
It also helps protect your family members, who may share the same genetic risk and benefit from early testing and monitoring.
When Should You Consider Genetic Testing?
You should talk to your doctor or a genetic counselor if:
You or a close relative were diagnosed with breast cancer before age 50
There’s a family history of ovarian, pancreatic, or aggressive prostate cancer
You already know a BRCA mutation exists in your family
You are of Ashkenazi Jewish descent
Multiple cancers appear across generations
You were diagnosed with any cancer under age 50
Early testing leads to early intervention—and better outcomes.
Where Can You Get Genetic Testing?
Bayhealth Cancer Institute offers advanced genetic testing and counseling through a partnership with Penn Medicine’s Telegenetics Program. Services are available at Kent and Sussex campuses, with secure video consultations for privacy and convenience.
Expert counselors review your medical and family history, recommend appropriate tests, and help you understand what your results mean for your future.
How Genetic Testing Helps You Take Control
Genetic testing is not about fear—it’s about clarity and control. With the right information, patients and care teams can design prevention or treatment strategies tailored to individual risk, helping people live healthier, longer lives through early detection.
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