PCOS and Pelvic Ultrasound in Ajax

Polycystic ovary syndrome, usually shortened to PCOS, is one of the most common hormonal conditions in people with ovaries, and also one of the most misunderstood. Part of the problem is the name itself. It suggests the ovaries are full of cysts, that the condition is mainly about the ovaries, and that an ultrasound will settle the question once and for all. None of those ideas is quite right.

If your health-care provider has ordered a pelvic ultrasound while looking into irregular periods, acne, unwanted hair growth or difficulty becoming pregnant, this article explains where the scan fits. It covers what the sonographer is looking at, why the result is only one part of the assessment, how to prepare, and which words on the report are worth asking about. Only your provider can say whether you have PCOS, so treat this as background for that conversation.

A name that sends people in the wrong direction

Every month, several small fluid-filled sacs called follicles start to develop in the ovaries. Each holds an immature egg. Normally one of them matures and releases its egg at ovulation, and the rest fade away.

In PCOS, hormonal signals are out of step, and ovulation may happen irregularly or not at all. Follicles may start to develop and then pause, so an ultrasound can show a larger number of small follicles than usual, often lined up near the edge of the ovary. Years ago, these were described as cysts, and the name stuck.

They are not cysts in the sense most people imagine. They are small, normal structures, simply present in greater numbers. They do not usually need to be removed, and they are not the same thing as a single larger ovarian cyst that might be found for other reasons.

The second misunderstanding is that PCOS is only about ovaries. It is better thought of as a condition affecting hormones and metabolism more broadly, with possible effects on periods, skin, hair, weight, blood sugar and mood. That is why the assessment rarely depends on one test.

How a diagnosis is usually reached

International guidance for adults commonly describes PCOS as being present when at least two of the following three features are found, after other possible causes have been ruled out:

1. Irregular or absent ovulation, often showing up as infrequent, unpredictable or missing periods.
2. Signs of higher androgen levels, either seen in the body, such as excess hair growth or persistent acne, or measured in blood tests.
3. A polycystic appearance of the ovaries, seen on ultrasound or, in some approaches, reflected in a particular hormone blood test.

The phrase “after other causes have been ruled out” matters. Thyroid problems, raised levels of a hormone called prolactin and a few other conditions can produce similar symptoms. Your provider may order blood tests to check for these alongside, or before, any imaging.

Notice that ultrasound is one possible route among several. Someone with irregular periods and clear signs of raised androgens may already meet the definition without a scan, although a provider may still order one to look at the uterus and ovaries for other reasons. Someone with only one of the first two features may need ultrasound to help complete the picture. These decisions belong to your provider.

Age changes how the scan is read

In the years after periods first begin, it is normal for the ovaries to contain many follicles and for cycles to be irregular as the body settles into a rhythm. Because of that overlap, current guidance generally advises against relying on ultrasound to diagnose PCOS in teenagers who are within the first several years after their first period. Their providers tend to focus on symptoms and blood tests instead, and may suggest reassessing later.

If you are an adult who was told years ago, as a teenager, that you “might have PCOS,” it may be worth asking whether that impression was ever confirmed. A fresh look in adulthood can be helpful.

What the sonographer looks at

A pelvic ultrasound uses sound waves to build images of the uterus, ovaries and surrounding area. No radiation is involved. When PCOS is part of the question, the scan typically includes:

• Follicle count. The number of small follicles in each ovary, measured in a standard way.
• Ovarian size. The volume of each ovary, since enlarged ovaries can be one feature of polycystic morphology.
• The pattern of the follicles. Whether they sit around the edge of the ovary, which reporters sometimes describe in characteristic terms.
• The lining of the uterus. Its thickness and appearance can be relevant when periods are infrequent.
• Other findings. The sonographer also looks for things that might explain symptoms on their own, such as fibroids or a separate ovarian cyst.

Counting very small follicles accurately is easier when the probe is closer to the ovaries, which is one reason an internal scan is often recommended for this question in adults. That brings us to the two approaches.

Two ways to scan, and your say in it

A pelvic ultrasound can be done across the lower abdomen, through a full bladder, or internally with a slim probe, called a transvaginal scan. Many appointments include both. The transabdominal part gives an overview, and the internal part gives closer detail of the ovaries.

You are always entitled to have the internal portion explained, to ask questions, to request a chaperone, to ask the sonographer to stop, or to decline. If you have never had an internal examination, or if it is not appropriate for you, tell the clinic when you book. A transabdominal scan can still provide useful information, though it may be less detailed for follicle counting, and your provider will take that into account.

We have already written about why a full bladder matters for pelvic ultrasound, including how to time your water, so we will not repeat those instructions here.

Timing and other preparation

A few points are specific to scans done for PCOS:

• Your provider may ask for a particular time in your cycle. If your periods are regular enough to predict, they may want the scan done early in the cycle. If your periods are very irregular, timing may not be possible, and that is fine. Follow whatever your requisition or provider says.
• Hormonal contraception can change how the ovaries look. The pill, patch, ring and some other methods quiet ovarian activity. Tell your provider what you are using before the scan is ordered. Do not stop contraception for an ultrasound unless your provider specifically advises it.
• Bring a period record. Even a rough list of the dates of your last few periods helps the sonographer and the reporting physician interpret what they see.
• Bring your health card, and follow the preparation instructions you are given when booking.

Words you might see on the report

Ultrasound reports are written for the referring provider, so some of the language can feel unfamiliar. You might see phrases such as:

• “Polycystic ovarian morphology” or “polycystic-appearing ovaries.” This describes how the ovaries look. It is not, on its own, a diagnosis of PCOS.
• “Multifollicular ovaries.” Several follicles are present, which can be a normal finding, especially in younger people.
• “Peripheral follicles.” The follicles are arranged around the outer edge of the ovary.
• “Ovarian volume” given in millilitres for each side.
• “Endometrial thickness.” A measurement of the uterine lining.

If a phrase is unclear, write it down and ask your provider what it means in your situation. Our general guide to ultrasound report terms may also help with wider vocabulary.

When pelvic symptoms need urgent care

Most investigations for PCOS are planned and unhurried. Some symptoms, though, are not a reason to wait for an outpatient scan. Call 911 or go to the nearest emergency department if you have sudden, severe pelvic or abdominal pain, pain with fainting, vomiting or fever, very heavy bleeding, or pelvic pain while you are or might be pregnant. A community imaging clinic cannot assess or treat these situations.

Taking the results back to your provider

Once the scan is reported, your provider will combine it with your history, examination and any blood work. Questions that can make that appointment more useful include:

• Do my results meet the criteria for PCOS, or is something else more likely?
• Were other causes of my symptoms checked?
• Does the scan show anything else that needs follow-up?
• Are there other health checks you recommend because of this result?
• If I am thinking about pregnancy in the future, should we talk about that now?

If the answer is “not clear yet”

Sometimes the results do not line up neatly. The ovaries may look polycystic while periods are regular and blood tests are normal, or the reverse. A polycystic appearance on its own is fairly common in people who do not have PCOS, so it is not unusual for a provider to say the picture is borderline. In that case, they may suggest watching symptoms for a while, repeating certain blood tests, or reassessing at a later date. An inconclusive result is still useful information. It narrows the possibilities and gives you and your provider a baseline to compare with in future.

Keeping a simple diary in the meantime can help: period dates, any changes in skin or hair, and notes about energy, sleep or mood. Bring it to your next appointment so the conversation starts from facts rather than memory.

Being given a diagnosis of PCOS can bring relief, worry, or a bit of both. Many people find it helpful to have the conversation in stages rather than trying to absorb everything in one visit.

Pelvic ultrasound in Ajax

Rossland Diagnostic Clinic offers pelvic and other ultrasound services at Unit 102, 300 Rossland Road East in Ajax, with free parking and ground-floor access. We are open Monday to Friday from 9:00am to 5:00pm and Saturday from 8:00am to 3:30pm, which can make it easier to fit a scan around work or school for patients across Ajax, Pickering and Whitby. To book with your requisition, call 905-426-3111 or request an appointment online.