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Does endometriosis increase miscarriage risk?

Topic:Fertility
Affected areas:pelvicabdominalsystemic

Yes—endometriosis is associated with a modest increase in miscarriage risk, particularly in the first trimester. Across large pooled studies, the increase is usually described as a relative risk around 1.2–1.7, and it can vary depending on factors like whether pregnancy occurs spontaneously or with fertility treatment.


Even with that increase, most pregnancies in people with endometriosis are successful. What matters most for an individual person is their full picture—age, prior pregnancy history, and whether adenomyosis or other uterine factors are also present. If you’ve had losses or are planning pregnancy and want an individualized assessment, our team can review your history and imaging and discuss what this risk may mean for you and what options may help support your goals.

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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

Operating Hours

8:00 am - 5:00 pm
Monday - Friday

Arroyo Grande, CA

154 Traffic Way, Arroyo Grande, CA 93420