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Diagnosis

Is my pelvic pain from an ovarian cyst or endometriosis?

The short answer

Ovarian cyst and endometriosis pain can overlap, and some people have both. Cyst pain is often more one-sided, while endometriosis pain more often follows a cyclical pattern. Imaging can identify many cysts, but normal imaging doesn’t rule out endometriosis.

It’s common for ovarian cyst pain and endometriosis pain to overlap, and some people have both at the same time. Cyst-related pain is often more one-sided and can feel like pressure, heaviness, or a sharper flare that may come on suddenly or worsen with certain movements. Endometriosis pain more often follows a cyclical pattern and may include deep pain with sex, bowel or bladder symptoms, or a more diffuse, tender pelvic ache that doesn’t match the imaging findings.

Ultrasound or MRI can help identify many cysts, but normal imaging doesn’t rule out endometriosis elsewhere in the pelvis. In our practice, we look at your symptom pattern, exam findings, and imaging together to narrow down the most likely sources of pain and whether a cyst is truly the main issue. If a cyst appears suspicious, persistent, or clearly linked to your symptoms, a cystectomy may be appropriate, but we also consider whether endometriosis could be contributing so the next step addresses the full picture.

Where to go from here

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

Speak with Us

Not Sure What's Causing Your Pain?

Pelvic pain can stem from ovarian cysts, endometriosis, or both. Our specialists provide expert diagnosis and personalized care to pinpoint and treat your pain effectively.

Questions people ask next

All diagnosis questions
  • Are ruptured ovarian cysts linked to endometriosis?

    Yes, sometimes: people with endometriosis can develop ovarian endometriomas, which can leak or rupture and cause sudden, intense pelvic pain. A ruptured cyst does not automatically mean endometriosis, as functional cysts can happen in anyone.

  • Can a ruptured ovarian cyst cause severe pelvic pain?

    Yes, a ruptured ovarian cyst can cause sudden, severe pelvic pain, often sharp and one-sided. The pain may feel especially intense if there is internal bleeding or irritation of the pelvic lining, while others have a milder ache that fades over hours to days.

  • Why does ovarian cyst pain keep coming back?

    Ovarian cyst pain can return because new cysts form with ovulation, a cyst persists or comes back, or nearby endometriosis or scar-like bands cause pain. An endometrioma, a cyst caused by endometriosis, may be associated with deeper pelvic disease.

  • Is severe ovulation pain normal or a sign of endometriosis?

    Mild one-sided ovulation pain can be normal, but severe or recurrent pain can be a sign of endometriosis or another pelvic condition. It is more concerning alongside painful periods, pain with sex, bowel or bladder symptoms, or difficulty conceiving.

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