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Results 1 - 1 of 1 for Third heart sound
  1. Nonstress Test: MedlinePlus Medical Test 
    ... birth. The test is usually done in the third trimester of pregnancy , most often after 28 weeks. ... Additional noninvasive tests to check your developing baby's heart rate and health can include: Biophysical profile. This test combines a nonstress test with an ultrasound . An ultrasound imaging test uses sound waves to create a picture. The ultrasound checks ...
    https://medlineplus.gov/lab-tests/nonstress-test - Medical Tests