Can endometriosis cause miscarriage?

Yes—endometriosis may be associated with a higher risk of miscarriage, although it does not mean miscarriage is inevitable. Many people with endometriosis conceive and go on to have healthy pregnancies, but research suggests pregnancy outcomes can be affected in some patients, especially depending on the subtype, severity, and overall inflammatory burden.

We think the connection is likely multifactorial. Endometriosis is associated with chronic inflammation and changes in the pelvic and uterine environment, which may interfere with implantation or early placental development in some cases; hormonal and immune factors may also play a role. If you’ve experienced a loss (or recurrent losses) and have known or suspected endometriosis, our team can help evaluate the full picture and discuss whether a surgical diagnosis and excision approach makes sense as part of a fertility-focused plan.