What these two criteria are about
Intelligibility and Fluency are two of the four linguistic criteria, each scored 0 to 6. A B grade usually means around 5 out of 6 on each (approximate). Both are about one question: how hard does the listener have to work to follow you? Remember, the assessors hear only a recording. They cannot ask you to repeat, and they cannot read your lips.
| Criterion | In our words | What the listener hears |
|---|---|---|
| Intelligibility | How easy you are to understand: sounds, word stress, sentence stress, intonation and rhythm. | Key words are clear. The important word in each sentence stands out. The voice rises and falls naturally. |
| Fluency | How smoothly your speech flows at a normal speed. | A comfortable pace. Pauses happen between ideas, not in the middle of a phrase while you search for a word. |
Accent is not the problem
You do not need a British, American or Australian accent. Many candidates with strong first-language accents score well. The issue is only whether your accent or pronunciation makes the listener work hard or misunderstand. Aim to be clear, not to sound native.
In practice, the features that cause listeners to work hard are usually these:
- Wrong word stress on medical words, so the listener hears a different word. For example, stressing the wrong part of "ap-PEN-dix" or "di-a-BE-tes".
- Flat sentence stress, where every word has the same weight, so the key information doesn't stand out.
- Dropped word endings, such as "two tablet" for "two tablets" or "he walk" for "he walked", which can change the meaning.
- Speaking too fast when nervous, so words run together.
- Swallowed numbers, like "fifteen" and "fifty" sounding the same.
Stress and chunking
English speakers use stress to show what matters. In each short phrase, one word is usually stronger: longer, louder or higher. If you stress the right word, the patient catches the key information even if other words are less clear.
Nurse giving a discharge instruction.
you-need-to-take-this-tablet-in-the-morning-with-food (every word the same weight, no pauses)
Take this tablet / in the MORNING / with FOOD.
Why: Breaking the sentence into chunks with one stressed word each makes the two key facts easy to hear.
| Medical word | Common stress | Patient-friendly option |
|---|---|---|
| hypertension | hy-per-TEN-sion | high blood pressure |
| medication | me-di-CA-tion | medicine |
| physiotherapy | phy-si-o-THE-ra-py | physio |
| inflammation | in-flam-MA-tion | swelling and redness |
| antibiotics | an-ti-bi-O-tics | antibiotics (no simple swap; say it clearly) |
| anaesthetic | an-aes-THE-tic | medicine to put you to sleep, or to numb the area |
Note that stress patterns can vary slightly by variety of English. The goal is to be consistent and clear.
Fluency: pauses, fillers and self-correction
Fluent speakers pause too. The difference is where. Natural pauses come between ideas and after important information. Searching pauses come in the middle of a phrase, often with "um... er..." while you look for a word. A few fillers are normal; many in a row are distracting.
Doctor explaining a medicine.
This medicine is, um, for, er, the... the, how to say, the sugar, um, in your blood.
This medicine helps control the sugar in your blood. [pause] It works slowly, over a few weeks.
Why: The better version uses simple words you already own, so there's no search. The pause comes after a complete idea.
- Self-correction is fine when it is quick and clean: "Take it twice, sorry, three times a day." Repeated restarts are the problem.
- Buy time naturally with phrases instead of fillers: "Let me think about the best way to explain this." "That's a good question."
- Use words you know. If a complex word blocks you, use a simple paraphrase. This helps fluency far more than searching.
- Do not memorise long scripts. Recited speech often sounds fast and flat, then collapses when the interlocutor says something unexpected. Memorise short phrases, not paragraphs.
Phrases that keep you flowing
Let me think about the best way to explain this.
Buying a few seconds before a complex explanation.That's a really good question.
Giving yourself a moment after a difficult question.Sorry, let me put that another way.
A clean self-correction when your sentence goes wrong.What I mean is, it helps your body use sugar better.
Paraphrasing instead of searching for a technical word.So, in short, rest the ankle and keep it raised.
Wrapping up an idea smoothly.Just to repeat the important part: keep the dressing dry.
Repeating key information on purpose, which sounds controlled.That's fifteen, one-five, milligrams.
Making a number unmistakable.Bear with me one moment while I check my notes.
A natural pause to look at your card.
Daily routines that work
- Record yourself. Do a 5-minute role-play on your phone. Listen back the next day, as if you were the assessor. Note any place you had to replay to understand yourself.
- Shadowing. Play a short clip of clear, natural healthcare English (for example, a patient information video). Pause after each sentence and repeat it, copying the stress, pauses and rhythm. Five minutes a day is enough.
- Stress marking. Take 10 medical words you use often. Check the stress in a dictionary, mark it with capitals, and say each word in a short sentence.
- Slow-down drill. Read a short explanation aloud at your normal speed, then again 20 percent slower with clear pauses between chunks. Listen to both. Most people find the slower version sounds more confident.
- Phrase practice. Say ready-made clinical phrases aloud until they come out smoothly without thinking.
Check yourself
4 quick questions. Tap an answer to see why.
1 A candidate has a strong accent but every key word is clear and the listener never has to work hard. What does this suggest?
2 Which is the best way to say a dose so it is clearly understood?
3 Which shows a natural pause rather than a searching pause?
4 You can't remember the word "anticoagulant" in the middle of a sentence. What helps fluency most?