What does "Nonstress test" mean in a report or doctor's letter? In our medical dictionary, you will find a patient-friendly explanation of the meaning of this medical term.
A nonstress test is a simple, painless procedure performed by doctors to check on a baby's health before it's born. The test measures the baby's heart rate and how it responds to the baby's movements. It's called a "nonstress" test because it doesn't put any stress or harm on the baby. It's usually done in the last trimester of pregnancy.
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