A vaginal ultrasound, also called a transvaginal ultrasound, is a type of medical imaging that looks for abnormalities inside ...

A transvaginal, or endovaginal, ultrasound is a safe, straightforward way for doctors to examine the internal organs of the female pelvic region. Transvaginal ultrasounds typically do not cause pain.

Although endometriosis sometimes shows up on an ultrasound, it doesn’t always. If a doctor thinks you have endometriosis, laparoscopic surgery is the only way to definitively diagnose it.