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Deep Disease

Do fibroids or adenomyosis often occur with endometriosis?

The short answer

Yes, fibroids and adenomyosis can coexist with endometriosis, and the overlap is especially common in people with heavy bleeding and significant period pain. Identifying which conditions are present is important for choosing the most effective treatment plan.

Yes, fibroids and adenomyosis can coexist with endometriosis, and the overlap is especially common in people with heavy bleeding and significant period pain. Because these conditions can cause similar symptoms, identifying which ones are present is important for choosing the most effective treatment plan.

We typically start with pelvic ultrasound, which can often identify fibroids as more defined, discrete growths in or on the uterus. When adenomyosis is suspected, MRI can be particularly helpful because it can show diffuse or focal changes within the uterine muscle that may not look like a separate mass. Our team considers your symptoms, exam findings, and imaging together to clarify what’s contributing to your pain and bleeding and to plan the most appropriate next steps, whether that’s medical management, surgery, or both.

Where to go from here

Understand it, compare it with what you're feeling, then talk it through with us.

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Understand the condition

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Struggling with pain or heavy bleeding?

Fibroids, adenomyosis, and endometriosis often overlap, making diagnosis tricky. Our specialists use advanced imaging to pinpoint the exact cause and tailor your treatment plan.

Questions people ask next

All deep disease questions
  • How do I tell fibroids from endometriosis or adenomyosis?

    Symptoms alone can’t reliably tell them apart. Fibroids most often cause heavy bleeding and pelvic pressure, endometriosis more typically causes cycle-linked pelvic pain, and adenomyosis commonly combines very heavy bleeding with intense cramping. Imaging may help clarify the cause.

  • Can you have both endometriosis and adenomyosis?

    Yes, many patients can have both endometriosis and adenomyosis at the same time. Their symptoms may blend together, and having both can affect treatment planning because endometriosis is outside the uterus while adenomyosis is within the uterine muscle.

  • Can fibroids and endometriosis occur together?

    Yes, fibroids and endometriosis can occur together, and the combination can intensify heavy bleeding, pelvic pressure, and pain. Treatment often works best when it addresses both conditions, with an evaluation of how much each is contributing to symptoms.

  • When is adenomyosis more likely than endometriosis?

    Adenomyosis often rises to the top of the list when periods are heavy and painful, with deep, crampy uterine pain that can linger between cycles. An enlarged, tender uterus or certain ultrasound or MRI findings may support it, but endometriosis can also be present.

Reach Out

Have a question?

Lotus Endometriosis Institute provides California-based surgical evaluation and advanced excision care for patients with suspected endometriosis, adenomyosis, complex pelvic pain, and related conditions.


Many patients contact us from outside California to learn whether traveling for in-person evaluation and possible surgery may be appropriate.

Call Us

(424) 255-1340

(805) 920-0909

Fax: (805) 935-4338

Santa Monica, CA

2121 Santa Monica Blvd, Santa Monica, CA 90404

Operating Hours

8am - 5pm
Monday - Friday

Arroyo Grande, CA

154 Traffic Way, Arroyo Grande, CA 93420