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12 October 2026
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Breast and ovarian cancer: the BRCA gene link explained

Reproductive history adds another layer of complexity. Early onset of menstruation, late menopause, or never having children can elevate risk — particularly for ovarian cancer, according to the source. These factors interact with hormonal exposure over a woman’s lifetime, which is why a thorough personal and family medical history remains essential during any preventive health consultation.

From mammograms to preventive surgery: the concrete options available

For women identified as high-risk, the source outlines a range of concrete preventive strategies. Enhanced cancer screening is typically the first line: this can include earlier and more frequent mammograms, breast MRIs, pelvic ultrasounds, and CA-125 blood tests — a marker used to monitor for ovarian cancer.

Ultrasound machine used for ovarian cancer screening and preventive health monitoring
Illustration © Toptenplay

Some women opt for more definitive interventions. Preventive mastectomy (surgical removal of breast tissue) or oophorectomy (removal of the ovaries) can drastically reduce the risk of developing either cancer, according to the source. These are significant decisions that require thorough discussion with a specialist, as they carry their own medical and personal consequences.

For those not ready for surgery, risk-reducing medications offer another path. The source specifically mentions tamoxifen, a drug that may lower breast cancer risk in eligible women. It is worth noting that ovarian cancer symptoms — including bloating and pelvic pain — are often vague and easy to dismiss, which makes proactive monitoring all the more important for women at elevated risk.

The source also highlights a point that is frequently missed: a diagnosis of one cancer directly increases the risk of developing the other. Women already treated for breast cancer should actively discuss ovarian monitoring with their care team, and vice versa.

For women with a family history of breast or ovarian cancer, the next concrete steps are clear: a conversation with a physician about risk assessment, and potentially a referral for genetic counseling and testing. As genetic testing becomes more accessible — and as health insurance coverage for high-risk screening expands — the window for early, preventive action is wider than it has ever been. The outstanding question for many women will be which preventive strategy best fits their individual risk profile, health status, and personal circumstances — a determination that requires up-to-date guidance from a specialist.

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