What it measures
The test shows whether human chorionic gonadotrophin (hCG), the hormone made by the placenta in pregnancy, is present in a urine sample. It gives a yes or no answer rather than an amount.
Why people test it
- Used to check for pregnancy.
- Done in some clinics before a procedure or medicine that is not used in pregnancy.
Typical range
The result is reported as positive or negative (hCG detected or not detected), by the lab or on the test itself. Tests differ in how little hCG they can pick up, so a very early pregnancy can give a negative result.
Finger-prick or vein?
This is not a blood test. It uses a urine sample, often the first urine of the morning, when hCG is most concentrated.