Endometriosis and risks for ovarian, endometrial and breast cancers: A nationwide cohort study

abstract

Highlights

• •The risks for ovarian-, endometrial and breast cancer among 45,790 women with endometriosis were studied.
• •We found an increased risk for endometrioid- and clear-cell ovarian cancer in women with endometriosis.
• •We observed that endometriosis was associated with an excess risk for endometrial cancer, primarily type 1.
• •The risk for breast cancer was only increased in women where endometriosis was first diagnosed at ≥50 years of age.