Ultrasound Explained
Before You Have This Test
This Investigation Helps Answer:
✔ Why am I having an ultrasound?
✔ What question is this scan trying to answer?
✔ What can it tell us?
✔ What can't it tell us?
✔ What usually happens next?
Why Am I Having an Ultrasound?
An ultrasound scan is often one of the first investigations carried out during a fertility assessment.
For many people, it's also the first time they see their reproductive organs on a screen.
That can feel exciting.
It can also feel worrying.
Understanding why you're having the scan can make the experience much less intimidating.
An ultrasound helps your healthcare professional gather information about your reproductive organs.
It's one piece of the puzzle.
Not the whole picture.
What Question Is This Scan Trying to Answer?
An ultrasound doesn't usually answer the question:
"Why can't I get pregnant?"
Instead, it asks several smaller questions, such as:
Do the uterus and ovaries look normal?
Are there any obvious cysts or fibroids?
How do the ovaries appear?
Are there signs that ovulation may be occurring?
Are there any visible abnormalities that might explain symptoms?
Each answer helps build a clearer understanding of your reproductive health.
What Can an Ultrasound Tell Us?
Depending on the type of scan and where you are in your menstrual cycle, an ultrasound may provide information about:
The uterus.
The lining of the uterus (endometrium).
The ovaries.
Developing follicles (fluid-filled sacs containing eggs).
Ovarian cysts.
Fibroids.
Some features that may suggest conditions such as adenomyosis or polycystic ovaries.
Fluid within the pelvis.
In some cases, a hydrosalpinx if it is large enough to be seen.
An ultrasound gives your healthcare professional valuable information that helps guide the next stage of your care.
What Can't an Ultrasound Tell Us?
This is one of the most important things to understand.
An ultrasound cannot answer every question.
For example, a routine pelvic ultrasound cannot reliably tell us:
Whether the fallopian tubes are open.
Whether fertilisation will occur.
Whether implantation will occur.
Whether sperm and egg will meet.
Whether mild endometriosis is present.
Every possible reason for infertility.
Some conditions may not be visible on ultrasound at all.
Others may only become apparent during different investigations or surgery.
That's why one normal scan doesn't always explain persistent symptoms.
What Type of Ultrasound Will I Have?
There are two main types of pelvic ultrasound.
Abdominal Ultrasound
A probe is moved over your lower abdomen.
You'll often be asked to attend with a comfortably full bladder because this helps improve the images.
Transvaginal Ultrasound
A slim ultrasound probe is gently inserted into the vagina.
Although many people feel nervous beforehand, it is usually well tolerated and often provides much clearer images of the uterus and ovaries than an abdominal scan.
The healthcare professional carrying out the scan should explain what will happen and answer any questions you have before the examination begins.
What Happens During the Scan?
The scan itself usually takes between 15 and 30 minutes.
You may notice the sonographer or doctor measuring different structures on the screen.
This is completely normal.
Remember...
They are collecting information.
Measurements don't automatically mean something is wrong.
What Happens If My Ultrasound Is Normal?
Many people hear the words:
"Everything looks normal."
That can be reassuring.
But it can also feel confusing if you're still experiencing symptoms or struggling to conceive.
A normal ultrasound tells us that the scan hasn't identified any obvious abnormalities it was designed to detect.
It doesn't automatically explain every symptom.
Other investigations may still be appropriate depending on your history and symptoms.
My Story
Looking back, I remember hearing that my scans were normal.
Each time, I quietly assumed another possibility had been ruled out completely.
What I didn't understand was that an ultrasound has a specific purpose.
It answers certain questions.
It doesn't answer them all.
I wish someone had explained that earlier.
It would have helped me understand why further investigations were sometimes still needed, even after a reassuring scan.
Questions Worth Asking
If you're having an ultrasound, you might ask:
Why are you recommending this scan?
What are you hoping it will tell us?
Are there any limitations to this investigation?
If the scan is normal, what happens next?
If something is found, what will the next step be?
Will I receive my results today?
Do I need any further investigations?
Medical Words Made Simple
Ultrasound
A scan that uses sound waves to create pictures of structures inside the body.
It does not use radiation.
Follicle
A small fluid-filled sac in the ovary that contains a developing egg.
Endometrium
The lining of the uterus, where a pregnancy would implant.
Fibroid
A non-cancerous growth of muscle tissue in the wall of the uterus.
I Wish Someone Had Explained...
I wish someone had explained that a normal ultrasound wasn't the end of the investigation.
It was simply one important piece of information.
Instead of wondering:
"If my scan is normal, why am I still here?"
I would have understood that every investigation asks different questions.
The ultrasound had done its job.
Now the next step was to decide whether any other questions still needed answering.
Key Takeaways
An ultrasound is often one of the first fertility investigations.
It provides valuable information about the uterus and ovaries.
It cannot answer every question about fertility.
A normal scan is reassuring but doesn't always explain persistent symptoms.
Ultrasound results are usually considered alongside your symptoms, medical history and any other investigations.
🌿 Understanding My Ultrasound
After your scan, ask yourself:
☐ Do I understand why this scan was performed?
☐ Do I understand what it looked for?
☐ Do I understand what it didn't look for?
☐ Do I know what the results showed?
☐ Do I understand what happens next?
☐ Have I asked any questions I still have?
Hope
An ultrasound can feel like a significant milestone in your fertility journey.
You may be hopeful.
You may be anxious.
Or you may feel both at the same time.
Remember...
A scan is one conversation with your body.
It doesn't tell the whole story.
It contributes another important piece of information that helps guide your care.
Every investigation brings you one step closer to understanding.
A Gentle Reminder
Your body whispers before it screams.
Not every whisper means something serious.
But persistent symptoms deserve thoughtful conversations, informed questions and healthcare professionals who are willing to listen.
If something doesn't feel right, don't be afraid to ask again.