Search results
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Blood Test: von Willebrand Factor (vWF) Activity - Ristocetin Cofactor for Parents
A von Willebrand factor (vWF) activity - ristocetin cofactor test lets doctors evaluate the functioning of a protein that helps blood to clot.
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Blood Test: von Willebrand Factor (vWF) Antigen for Parents
Doctors order the vWF antigen test to help diagnose or monitor the treatment of von Willebrand disease.
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Test Anxiety for Teens
Everyone feels a little nervous and stressed before a test. For some people, this normal anxiety can be intense.
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COVID-19: Getting Tested for Parents
As coronavirus spreads in communities, parents might wonder if their family should get tested. Here's how health care providers test for it.
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Prenatal Tests: First Trimester for Parents
Find out what tests may be offered to you during the first trimester of pregnancy.
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Prenatal Tests: Third Trimester for Parents
Find out what tests may be offered to you during weeks 27 through 40 of pregnancy.
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Blood Test: Testosterone for Parents
A testosterone blood test may be done if a child seems to be entering puberty earlier or later than expected, or to check for damage or disease of the testes or ovaries, adrenal glands, or pituitary glands.
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Stress Less Over Tests for Teens
Find out how to handle the stress that comes with tests.
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Prenatal Tests: Second Trimester for Parents
Find out what tests may be offered to you during weeks 13 through 26 of pregnancy.
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Blood Test: C-Reactive Protein (CRP) for Parents
A C-reactive protein (CRP) blood test is used to identify inflammation or infection in the body.