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You suspect you may have endometriosis or adenomyosis

What symptoms suggest a focal adenomyoma?

Topic:Deep Disease
Affected areas:pelvicabdominalback
An illustration of 3 silhouetted women each showing discomfort in areas of the pelvis.

A focal adenomyoma (a localized form of adenomyosis) often causes symptoms that feel more “one-sided” or concentrated in a specific area. Many patients describe localized, severe period cramps, heavy or prolonged menstrual bleeding, and deep pain with sex that tends to flare in the days leading up to and during their period.


Sometimes there’s a particularly tender spot on the uterus during an exam, and symptoms may come in predictable monthly waves rather than being constant. Because these symptoms can overlap with fibroids and other uterine conditions, symptoms alone can’t confirm the diagnosis. Our team typically relies on targeted imaging and a full symptom history to clarify what’s driving your bleeding and pain and to discuss next steps.

Severe Localized Period Pain?

If you're experiencing one-sided, intense cramps and heavy bleeding, our specialists can help diagnose whether a focal adenomyoma is the cause. We provide expert care tailored to your symptoms and concerns.

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Dr. Steven Vasilev delivers best-in-class endometriosis guidance and a personalized treatment plan—built on evidence and your unique biology.


Led by Steven Vasilev, MD—an internationally recognized endometriosis specialist & MIGS surgeon—Lotus Endometriosis Institute is virtual-forward, with many patients traveling nationally for care. Clinical evaluation and surgical treatment are provided in California.

Santa Monica, CA

2121 Santa Monica Blvd, Santa Monica, CA 90404

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Monday - Friday

Arroyo Grande, CA

154 Traffic Way, Arroyo Grande, CA 93420