Diagnosis
Do I need an ultrasound to diagnose PCOS?
The short answer
An ultrasound can be helpful in supporting a PCOS diagnosis, but it isn’t always required. PCOS is typically diagnosed using a combination of symptoms, menstrual history, signs of higher androgens (like acne or excess hair growth), and lab work.
Ultrasound can help support a PCOS diagnosis, but it isn’t always required. PCOS is typically diagnosed using a combination of your symptoms, menstrual history, signs of higher androgens (like acne or excess hair growth), and lab work, so an ultrasound is one possible piece of the picture.
When an ultrasound is done, PCOS findings usually show a higher number of small follicles and/or increased ovarian volume, which is different from true ovarian cysts such as endometriomas (ovarian endometriosis). If you’re being evaluated for significant pelvic pain or concern for endometriosis alongside PCOS, our team can help determine what type of imaging is most appropriate and what it can and can’t reliably show.
Where to go from here
Understand it, compare it with what you're feeling, then talk it through with us.
Step 3 · Speak with Us
Wondering About PCOS Testing?
Our specialists understand the complexities of PCOS diagnosis and can guide you through whether an ultrasound or other tests are right for you. We’re here to tailor your evaluation and ensure accurate diagnosis and care.
Questions people ask next
All diagnosis questionsHow is PCOS diagnosed vs. endometriosis?
PCOS is typically diagnosed when two of three criteria are met: irregular ovulation, signs of higher androgens and a polycystic ovary pattern on ultrasound, after ruling out similar conditions. Endometriosis is most definitively confirmed by directly viewing and surgically evaluating lesions.
Can PCOS and endometriosis happen at the same time?
Yes, PCOS and endometriosis can occur together, even though they are different conditions. When they coexist, symptoms can include irregular ovulation, acne, or excess hair growth alongside cyclic pelvic pain, painful sex, or bowel pain around your period.