Woman lost weight with injections, but her breasts kept growing until they weighed 17,7 kg, leaving her followers perplexed

Por Carlos Valencia
10 September, 2026

30-year-old Tianna Moon lives in East Anglia, England. She started taking Mounjaro to lose weight, and it worked: her entire body slimmed down except for her breasts, which continued growing until they weighed 17,7 kilos, almost 20% of her body weight.

In July, she was diagnosed with gigantomastia, a condition so rare that only 300 cases have been documented worldwide. She lives with numbness in her arms and scarring, and she cannot lie on her back because she has trouble breathing. She is considering surgery, but knows the tissue could grow back just the same.

Some accuse her of exhibitionism for opening an OnlyFans account because of her condition. She responds that she would rather profit from it than simply suffer through it. Is it a legitimate way to reclaim her body, or an unnecessary controversy?

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