BMC Cancer December 2019 PMID 31888528

Incidence of invasive breast cancer in women treated with testosterone implants: a prospective 10-year cohort study.

Rebecca L Glaser, Anne E York, Constantine Dimitrakakis

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Mentions

Peak: 15 in Oct 2025

across 5 sources since Jan 2020

Extended reach

130,696

potential audience

Total likes

159

Video views

10,110

Mentions per month

Jan 2020 – Nov 2025

Where it's discussed

TikTok18 posts
X / Twitter14 posts
YouTube3 videos
Instagram2 posts
Facebook1 posts

AI synopsis

What people are saying

Overall, discussions reflect a cautiously optimistic attitude towards the findings, with phrases like 'no increased risk' and references to ongoing debates about hormones, revealing a mix of support and curiosity. The tone and choice of words show a focus on scientific validation and clinical relevance, emphasizing the potential for changing medical perspectives.

AgreementModerate agreement

Most discussions support the study’s findings that testosterone therapy does not increase breast cancer risk, with some citing recent research or specific experts.

InterestModerate interest

The topics generated some interest, especially among medical professionals and those following hormonal therapies, although a few comments express skepticism or desire for further evidence.

EngagementModerate engagement

Many contributors reference existing research, question mechanisms like hormone levels, or mention implications for patients, indicating moderate engagement with the topic.

ImpactModerate impact

The discussions highlight potential shifts in clinical practice and patient perceptions, suggesting a moderate to high impact on medical considerations and public awareness.

Abstract in brief

This 10-year study examined whether long-term testosterone implant therapy in women increases the risk of invasive breast cancer (IBC), finding that it actually results in a lower incidence rate compared to historical data.
The research involved 1,267 women with androgen deficiency who received testosterone implants (with or without anastrozole), and the observed breast cancer cases were significantly fewer than expected based on age-specific SEER data.
Overall, the study suggests that long-term testosterone therapy does not raise breast cancer risk and might have protective effects, highlighting the need for further research on its role in hormone therapy.]

Read the full abstract

All mentions

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Dr Mehmet Ceyhan

@drmehmetceyhann · X

Oct 17, 2025 · 346 followers View post →

Fancy Lad

@VelvetLandmine · X

May 14, 2024 · 2 likes · 881 followers View post →

Ophelia

@orellanin · X

@shaggysurvives - it mentions higher T associated with breast cancer, I wonder if that's actually caused by higher E levels? So I'd want to check what effect exogenous T has. The first few links I found, eg https://t.co/kEbLKwMkyw, did not suggest an increased cancer risk, but I'm still unsure

Aug 8, 2023 · 406 followers View post →

Dr Louise Newson

@drlouisenewson · X

@KarenMc71476718 @balanceMeno There is no good quality evidence about this. Rebecca Glaser has done some interesting work in this area such as this https://t.co/pXxweGYn0x

Jul 14, 2022 · 61,703 followers View post →

Union Mac

@UnionMac1 · X

RT @VultureR914: @ZJemptv Here's some more you great twat. https://t.co/RgKruHjeUX https://t.co/jUrmpGXcMe https://t.co/OIatxMTyuU ht…

Jul 14, 2022 · 1 share · 2,380 followers View post →

VultureR914

@VultureR914 · X

@ZJemptv Here's some more you great twat. https://t.co/RgKruHjeUX https://t.co/jUrmpGXcMe https://t.co/OIatxMTyuU https://t.co/BrjhIaCr0T https://t.co/NlT2vyVT4b

Jul 13, 2022 · 9 likes · 1 share · 75 followers View post →

EndoGirlsBlog

@blog_endo · X

@DrOlgaTheOBGYN @acog https://t.co/RPgPkjFQEr https://t.co/s8tQisqn1O

May 2, 2021 · 571 followers View post →

Brooke Faught

@BrookeFaughtDNP · X

RT @ISSWSH: #Testosterone implants do not increase the incidence of invasive #breastcancer, study finds: https://t.co/viN1lArLn6 How often…

Feb 11, 2020 · 1 share · 597 followers View post →

ISSWSH

@ISSWSH · X

Feb 11, 2020 · 1 like · 1 share · 4,748 followers View post →

Guillermo Molina

@hgmol · X

RT @SMSNA_ORG: Incidence of invasive breast cancer in women treated with testosterone implants: a prospective 10-year cohort study https://…

Feb 7, 2020 · 1 share · 769 followers View post →

SMSNA

@SMSNA_ORG · X

Incidence of invasive breast cancer in women treated with testosterone implants: a prospective 10-year cohort study https://t.co/uNVnvJNJBl

Feb 7, 2020 · 4 likes · 1 share · 4,370 followers View post →

#WomenInSexMed

@WomenInSexMed · X

RT @rachelsrubin1: Testosterone pellets in women did not increase breast cancer incidence in this study. #sexmed https://t.co/SxuLVsqZnj

Jan 14, 2020 · 3 shares · 734 followers View post →

Marianne Brandon

@drbrandon · X

RT @rachelsrubin1: Testosterone pellets in women did not increase breast cancer incidence in this study. #sexmed https://t.co/SxuLVsqZnj

Jan 11, 2020 · 3 shares · 18,893 followers View post →

Rachel S. Rubin, MD

@drrachelrubin · X

Testosterone pellets in women did not increase breast cancer incidence in this study. #sexmed https://t.co/SxuLVsqZnj

Jan 11, 2020 · 14 likes · 3 shares · 23,874 followers View post →

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