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Diagnosis

How do I know if an ovarian cyst has burst?

The short answer

A burst ovarian cyst often causes sudden, sharp pain on one side of the lower abdomen or pelvis, but an exam and imaging are needed to know for sure. Severe or escalating pain, dizziness or fainting, shoulder-tip pain, fever, or heavy bleeding can signal an urgent problem.

A ruptured ovarian cyst often causes sudden, sharp pain on one side of the lower abdomen or pelvis, sometimes after exercise, sex, or around ovulation. The pain may then become a deeper, persistent ache over the next hours, and you can also notice bloating, nausea, or pain that worsens with movement. Some people have light vaginal spotting, while others have no bleeding at all, so the pattern and intensity of the pain matter more than spotting.

Because pelvic pain can have more than one cause (including endometriosis, an endometrioma, torsion, fibroids, or even bladder or bowel conditions), the only way to know for sure is an evaluation that combines your symptoms, imaging, and a focused exam. If you’re having severe or escalating pain, dizziness or fainting, shoulder-tip pain, fever, or heavy bleeding, that can signal significant internal bleeding or another urgent problem, and we want you assessed right away. If you’re dealing with recurrent episodes described as cyst rupture or ongoing one-sided pelvic pain, reach out to schedule a consultation with our team so we can look at the whole picture and build a plan that fits your goals.

Where to go from here

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

Step 1 · Understand

Understand the condition

Step 2 · Compare

Symptoms it can relate to

Step 3 · Speak with Us

Don’t guess pelvic pain

Sudden one-sided pelvic pain can be a ruptured cyst—or endometriosis, endometrioma, or torsion. Our specialists can evaluate your symptoms, order the right imaging, and guide next steps for relief and safety.

Questions people ask next

All diagnosis questions
  • Which endometriosis symptoms mean I should go to the ER?

    Go to the ER for sudden severe pelvic or belly pain different from usual, or pain with fainting, fever, repeated vomiting or a rigid/swollen belly. Heavy bleeding soaking pads rapidly, pregnancy concerns with pelvic pain or bleeding, chest pain, shortness of breath or coughing blood also need ER care.

  • Can an endometrioma rupture?

    Yes, an ovarian endometrioma can rupture, although it’s not the most common course. Its contents can spill into the pelvis and cause sudden, severe pain and irritation, which needs prompt evaluation because other urgent problems can feel similar.

  • Is my pelvic pain from an ovarian cyst or endometriosis?

    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.

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