Yes, endometriosis can be seen on ultrasound, but with important limitations. Transvaginal ultrasound is quite sensitive at detecting ovarian endometriomas (those characteristic “chocolate cysts”) and can identify deep infiltrating endometriosis when performed by an experienced examiner. However, it cannot reliably detect superficial peritoneal endometriosis, which is one of the most common forms of the disease.
If you’ve been experiencing pelvic pain, painful periods, or fertility challenges and your doctor has ordered an ultrasound, you’re likely wondering whether this test will finally provide answers. The…






