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One in eight women will be diagnosed with breast cancer in her lifetime — but if your mother, sister, or daughter has had it, your risk may be significantly higher. Most women know family history matters. Far fewer know what to actually do with that information, or how to start the conversation that could change their care.

Talking about health isn’t always easy. Some families openly discuss medical history, while others avoid the topic altogether. The good news is you don’t need all the answers right away. Even small conversations can help you better understand your family history and take a more informed approach to your breast health.

It’s also important to remember that family history is only one piece of the larger picture. While some breast cancers are linked to inherited genetic mutations, most are not directly caused by inherited factors. Age, lifestyle, reproductive history, and other factors also play a role. You can learn more about other contributing risk factors here: Risk Factors

Understanding your family history won’t predict the future, but it can help you have more meaningful conversations with your healthcare provider and make informed decisions about screening and prevention.

How Your Breast Cancer Family History Affects Your Risk

Your family health history can provide important clues about potential risk factors.

Certain inherited genetic mutations, such as BRCA1 and BRCA2, can increase breast cancer risk. Having close relatives with breast cancer may also influence your personal risk.

One detail that often surprises people is that both sides of the family matter; your mother’s and father’s sides can be equally important.

Understanding these patterns may help your healthcare provider determine whether additional screening or risk assessment is appropriate. Your provider may recommend speaking with a genetic counselor if your personal or family history suggests a higher inherited risk. The goal is not to diagnose yourself or predict what will happen. Rather, it’s to give your healthcare provider a more complete picture of your family history so they can help you understand whether your screening plan should look different.

What to Gather Before Asking About BRCA Gene Testing

When gathering family health history, you do not need to create a perfect medical record. Start by writing down what you can, including:

• Which relative was diagnosed
• Whether they are on your mother’s or father’s side
• Their age at diagnosis
• The type of cancer diagnosed
• Whether multiple family members have had cancer
• Any known genetic testing results
• Any history of ovarian, pancreatic, or prostate cancer

If you’re unsure where to start, the CDC’s guide on Family Health History and Cancer can help you understand what information is most useful to collect and how to organize it.

You don’t need a complete family medical record to have a productive conversation with your healthcare provider. Any information you gather can help provide valuable context over time.

Why These Conversations Can Feel Difficult

Health conversations can be emotional or uncomfortable. Some relatives may not know details, while others may prefer not to discuss past diagnoses.

If that’s the case, you’re not alone.

Approach these conversations with patience. Family health history is often gathered over time, and one conversation may naturally lead to another.

Questions You Can Ask Family Members

If you’re unsure how to start, keep it simple:

• Has anyone in our family been diagnosed with breast cancer or another cancer?
• How old were they at diagnosis?
• Has anyone had genetic testing?
• Are there health conditions that run in our family?
• Are there relatives with ovarian, pancreatic, or prostate cancer?

You may also want to begin with a family member who tends to remember details or keeps family records.

Tips for Starting the Conversation

A few simple approaches can help, like:

• Choosing a comfortable, private moment
• Explaining why you’re asking
• Keeping the conversation open and pressure-free
• Considering speaking one-on-one with relatives

If you’re not sure where to begin, start with a trusted family member who may know more about your family history – such as a parent, grandparent, aunt, uncle, sibling, or cousin.

You can also ask if anyone keeps family records, medical information, or obituaries that may help fill in gaps.

Starting the conversation is often the hardest part, but it can open the door to information that supports future healthcare decisions.

How Family History Shapes Your Mammogram Screening Guidelines

Once you’ve gathered information, consider sharing it with your healthcare provider.

Together, you can discuss how your family history fits into your overall health and whether it may influence screening recommendations.

You may want to ask:

• When should I begin mammograms based on my family history?
• Should I consider additional screening?
• Would genetic counseling be appropriate?
• Are there risk assessment tools we should review?
• Keep a written record of what you learn. Family history can change over time as new information becomes available, and updating your notes can support future healthcare conversations.

If You Don’t Know Your Family Health History

Not everyone has access to detailed family health information.

Adoption, estrangement, loss of relatives, or limited communication can make this difficult, and that’s okay.

Not knowing your family history doesn’t prevent you from taking proactive steps for your breast health.

Regular screenings, healthy lifestyle habits, and conversations with your healthcare provider remain important for everyone.

Family history is just one factor among many.

Taking the Next Step

After you learn more about your family history, the next step is turning that information into action. For many people, that means talking with a healthcare provider, asking about screening recommendations, and making sure cost is not standing in the way of care.

Through ABCF’s Breast Cancer Assistance Program, eligible individuals may be able to receive financial assistance for breast health screenings and diagnostic services, helping ensure that cost is never the reason someone delays care. 

You can also explore ABCF’s Education & Patient Advocacy resources for additional support.

This information is intended for educational purposes only and should not replace guidance from your healthcare provider.