Understand · LGBTQIA+ Health
The short answer on breast cancer for LGBTQIA+ people
Breast cancer can be different for LGBTQIA+ people, though not always in the ways people assume. Being lesbian, gay, bisexual, queer, trans or nonbinary doesn't cause breast cancer. But some risk factors are more common, hormones can shift risk for trans people, and LGBTQIA+ people are less likely to be screened and more likely to be diagnosed late. The research is thin, so the most useful thing you can do is get advice that fits your body, your hormones and your history, from someone you trust.
What LGBTQIA+ people should know about breast cancer
- Anatomy and hormones decide screening, not identity. If you have breast or chest tissue, you may need mammograms whatever your gender.
- Hormones change the picture. In the largest study so far, trans women on estrogen had more breast cancer than cis men but less than cis women.
- Top surgery isn't a cancer mastectomy. Some tissue is usually left behind, so a new lump in the chest still needs checking.
- The guidelines disagree. For trans people, expert groups give different advice on when, or whether, to screen.
- Gaps in care are real. Missed screening, insurance denials and delays in diagnosis show up again and again in the research.
A note on words. "Transfeminine" describes people assigned male at birth whose gender is on the feminine side; "transmasculine" is the reverse. GAHT is gender-affirming hormone therapy, such as estrogen or testosterone. "Top surgery" is gender-affirming chest surgery.
Is breast cancer risk different for lesbian, bisexual and queer women?
Possibly a little, and the evidence doesn't line up neatly. A 2025 review by Cohen and colleagues in Current Breast Cancer Reports notes that some studies find breast cancer about as common in sexual minority women as in straight women, while at least one found a somewhat higher calculated lifetime risk. So the honest answer is that prevalence is unsettled.
What's clearer is the mix of risk factors. Breastcancer.org and the National LGBT Cancer Network both point to fewer pregnancies and higher alcohol use, and the Network adds smoking and obesity. One thing runs the other way: the same review says sexual minority women tend to use less hormonal birth control, which may slightly lower risk.
The bigger issue may be screening. One survey cited in the review found that about 46% of bisexual women and 64% of lesbian women had been screened as recommended, compared with about 81% of straight women. The screening advice itself is no different: the review says sexual minority women should follow the same guidelines as other cis women.
What is the breast cancer risk for trans and nonbinary people?
Most of what we know comes from one large study. In 2019, de Blok and colleagues in The BMJ followed 2,260 trans women and 1,229 trans men treated with hormones at a Dutch gender clinic.
Transfeminine people on estrogen. The study found 15 invasive breast cancers in trans women, about 46 times the rate expected in cis men but roughly a third of the rate in cis women. Most had been on hormones for many years (a median of 18).
Transmasculine people on testosterone. It found 4 invasive cancers in trans men, about a fifth of the rate expected in cis women. Susan G. Komen says transmasculine people's risk is much lower than cis women's but higher than cis men's. Komen gives the same summary for transfeminine people.
The limits. Those numbers rest on a small count of cancers in one country. The 2025 review says most other data on trans and gender-diverse people come from case reports and a few look-back studies, and that whether testosterone itself affects risk hasn't been shown either way.
Which breast cancer screening guidelines apply to LGBTQIA+ people?
Think in terms of what's in your body and what you take, not your gender marker. The UCSF guidelines put it simply: if you have an organ that meets screening criteria, screening applies, whether or not you're on hormones.
Lesbian, bisexual and queer cis women. The same guidelines as any other cis woman.
Transmasculine people who still have breast tissue (no chest surgery, or a breast reduction only). The American College of Radiology (2021) and UCSF agree: follow the guidelines for cis women your age.
Transmasculine people after top surgery. Here the advice splits. The ACR says screening imaging after a double mastectomy is usually not appropriate. UCSF (2016) says there's no reliable evidence to guide screening, that leftover tissue carries an unknown risk, and that you and your clinician should talk it through. WPATH, the international transgender health body, encourages shared decision-making in its 2022 Standards of Care. Komen notes that top surgery removes less tissue than a cancer mastectomy and doesn't fully protect you.
Transfeminine people on estrogen. This is where groups disagree most. The ACR says mammograms may be appropriate from 40 after five or more years on hormones for people at average risk, and earlier for people at higher risk. UCSF suggests a mammogram every two years starting at 50, once you've had at least five years of hormones. WPATH says to follow local guidelines for cis women, adjusted for how long you've taken hormones, the dose and your age. Transfeminine people not on estrogen are generally treated like cis men, who aren't routinely screened, the 2025 review says.
The National Comprehensive Cancer Network, according to the review, advises trans and gender-diverse people to work out timing case by case with their primary care clinician. If you're at higher risk because of family history, a gene change or past chest radiation, the rules above change, so ask for a proper risk assessment.
Why do so many LGBTQIA+ people skip breast cancer screening, and what helps?
The reasons are practical as much as emotional. The 2025 review cites past mistreatment and fear of it, being less likely to have insurance or a regular doctor, and imaging centers where staff, forms and changing rooms assume every patient is a cis woman. In the 2022 U.S. Transgender Survey, cited in the review, half of respondents said they'd had a negative experience in health care because they were trans.
Insurance can be its own obstacle. The review notes that if your record lists you as male, a claim for a screening mammogram may be rejected automatically. Call your insurer before you book.
A few things can help:
Free or low-cost screening. The CDC's National Breast and Cervical Cancer Early Detection Program offers free or low-cost mammograms to people 40 to 64 with no insurance (or insurance that doesn't cover screening) and incomes at or below 250% of the federal poverty level. The program's materials are written for women; if that doesn't match how you identify, ask your state program directly whether you qualify.
A welcoming provider. The National LGBT Cancer Network keeps a directory of welcoming providers and an online breast/chest cancer risk assessment.
Knowing your rights, and your state. Protections vary. The Movement Advancement Project, which tracks state laws, counts 12 states (in data updated April 2026) with religious exemptions that let medical professionals decline to serve LGBTQ clients: Alabama, Arkansas, Florida, Idaho, Illinois, Iowa, Mississippi, Montana, Ohio, South Carolina, Tennessee and Utah.
Is breast cancer care different for LGBTQIA+ people after a diagnosis?
Delays and recurrence. A Stanford study published in JAMA Oncology in 2023 compared 92 sexual and gender minority patients with 92 matched cisgender, straight patients. It took the LGBTQ+ group about twice as long to be diagnosed after symptoms began (a median of 64 days versus 34). They were more likely to decline a recommended treatment (38% versus 20%), and nearly three times as likely to have their cancer come back. It's an important signal, but the study was small, from one institution and based on past records, so it can't say why.
Reconstruction, or not. The 2025 review says sexual minority women more often choose not to have reconstruction after mastectomy, and that those who go flat tend to be satisfied with that decision over time. Either choice is legitimate.
Top surgery versus cancer surgery. If you're transmasculine and need a mastectomy, or are planning top surgery and have a strong family history or a gene change, ask how the two differ. A cancer or risk-reducing mastectomy removes as much tissue as possible; top surgery leaves some for shaping. The review recommends a breast cancer risk assessment before top surgery so you can choose with that information.
Hormones during and after treatment. If your cancer is hormone receptor-positive, the question of whether to stop or change GAHT will come up. The review says there's growing evidence for stopping estrogen in transfeminine people with estrogen receptor-positive cancer. For testosterone, it says there's no direct evidence that it raises risk, though some clinicians worry because the body can convert part of it to estrogen. It also notes that stopping hormones can bring serious harms to mental health and wellbeing. The evidence is limited, and this is a decision to make with your oncologist and the clinician who prescribes your hormones, together.
Where can LGBTQIA+ people with breast cancer find support?
Many LGBTQ+ people feel unwelcome in general support groups, the review notes. These free options are run by nonprofits:
National LGBT Cancer Network. Free virtual peer support groups on Zoom for LGBTQ+ people who have or have had cancer.
CancerCare. A free 15-week online support group for LGBTQ+ people in cancer treatment, led by an oncology social worker and open to U.S. residents, plus a separate group for LGBTQ+ caregivers.
Young Survival Coalition. A monthly virtual hangout for LGBTQ+ people with breast cancer, co-led by a peer and a licensed clinical social worker. YSC focuses on people diagnosed at 40 or younger.
Bring your people with you, too. The review notes that LGBTQ+ patients are more likely to have friends as caregivers, and that many lean on chosen family. You can ask your care team to include whoever you name in appointments and plans.
When to see a clinician about a breast or chest change
- A new lump in your breast, chest or armpit, including after top surgery
- Thickening or swelling in part of the breast or chest
- Dimpling, irritation, redness or flaky skin on the breast, chest or nipple
- A nipple that pulls inward, or pain in the nipple area
- Nipple discharge, especially if it's bloody
- Any change in size or shape, or pain anywhere in the breast or chest
These are the warning signs the CDC lists. Things other than cancer can cause them too, which is why they deserve a proper look.
If it feels like an emergency, call 911.
Questions LGBTQIA+ people can ask their care team about breast cancer
- Given my anatomy, my hormones and how long I've taken them, which screening guideline should I follow, and why?
- Based on my family history, am I at average or higher risk? Should I see a genetic counselor?
- Will my insurance cover a mammogram with the sex or gender marker on my record? If not, what can we do?
- How might my hormone therapy affect my risk, and my treatment if I'm diagnosed?
- I'm planning top surgery. Should I have a risk assessment first, and how much tissue will be left?
- If I'm diagnosed, can my oncologist and the clinician who prescribes my hormones talk to each other?
- Can my partner, friend or chosen family member be part of my appointments and care plan?
Sources: Cohen, Bobholz and Cortina, Breast Cancer Disparities in the LGBTQ+ Community: How to Move Towards Inclusive Care from Screening to Survivorship, Current Breast Cancer Reports (July 2025); de Blok et al., Breast cancer risk in transgender people receiving hormone treatment: nationwide cohort study in the Netherlands, The BMJ (May 2019); Eckhert et al., Breast Cancer Diagnosis, Treatment, and Outcomes of Patients From Sex and Gender Minority Groups, JAMA Oncology (February 2023), as reported by Stanford Medicine (February 3, 2023) and The ASCO Post (February 13, 2023); American College of Radiology, ACR Appropriateness Criteria: Transgender Breast Cancer Screening (2021); UCSF Gender Affirming Health Program, Screening for breast cancer in transgender women and Screening for breast cancer in transgender men (June 2016); Susan G. Komen, Breast Cancer Screening for Transgender People (updated July 2026); Breastcancer.org, Breast Cancer in the LGBTQ+ Community (updated July 2025) and The Confusing World of Breast Cancer Screening for Transgender People (updated July 2025); CDC, Find a Screening Program Near You (September 2026) and Symptoms of Breast Cancer (September 2026); National LGBT Cancer Network, Cancer of the Breast Tissue in the LGBTQ+ Communities (May 2021) and Free Virtual LGBTQ+ Cancer Peer Support Groups (March 2022); Movement Advancement Project, Religious Exemption Laws: Medical Providers (updated April 2026); CancerCare, LGBTQ+ Cancer Patient Support Group; Young Survival Coalition, Virtual Hangout for LGBTQ+ Survivors. This article is general information, written in Babette's own words, and is not a substitute for advice from your care team.
