If you are a nurse or healthcare professional registering overseas, you'll often be offered a choice between OET and IELTS. They test English very differently.
1. What each test measures
IELTS tests general (or academic) English with everyday and academic topics. OET tests English in a healthcare context: patient consultations, case notes and referral letters.
2. Why many nurses prefer OET
Because the content is drawn from your profession, vocabulary and scenarios feel familiar. The Speaking test is a role-play, and the Writing task is a letter you may already write at work.
3. Why some choose IELTS
IELTS is available in many locations with frequent dates, and some candidates are more comfortable with its general topics. Make sure your regulator accepts your chosen test and score.
4. Scoring
OET reports grades per sub-test and regulators typically set a minimum in each. IELTS reports band scores per skill. Many regulators require a minimum in every component, so one weak skill can sink an otherwise strong result.
5. Make the choice with data
Check your regulator's required scores, then try a practice sub-test in both formats.
The bottom line
OET rewards professional communication skills; IELTS rewards general academic English. Confirm acceptance with your regulator first.
Test rules and score requirements change. Always confirm current details with the official test provider or immigration authority.