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Lili Reinhart Diagnosed with Endometriosis After Surgery

Published 11 December 2025

Lili Reinhart, the 29-year-old actress known for her role as Betty Cooper on the CW series Riverdale, announced on Thursday that she has been diagnosed with endometriosis following laparoscopic surgery performed last week.

Reinhart shared the news in a detailed Instagram post, including photos from her hospital stay, where she detailed a prolonged struggle to identify the cause of her chronic pain. Last year, she consulted a urogynecologist and received a diagnosis of interstitial cystitis, a condition causing bladder inflammation and urgency. "I was told there was no cure and no lasting relief for my symptoms," she wrote. Despite three hospital visits and consultations with multiple urologists and gynecologists, none initially considered endometriosis as the root issue.

It was only after working with two pelvic floor therapists that endometriosis emerged as a potential explanation. Reinhart took initiative by advocating for an MRI, which revealed adenomyosis, a related condition where uterine lining tissue grows into the uterus's muscular wall, potentially enlarging the organ. She then met with an endometriosis specialist who recommended surgery to confirm the diagnosis and...

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