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How to Get a PET Scan: From Referral to Results
Learn what to expect when getting a PET scan, from getting a referral and insurance approval to preparing for the scan and receiving your results.
What Is a Free T3 Blood Test and What Does It Show?
A free T3 blood test measures your active thyroid hormone. Learn what your results mean and how they help diagnose thyroid conditions.
How Does a Transvaginal Ultrasound Work and Feel?
Learn what to expect during a transvaginal ultrasound, how the probe works, what it can detect, and why the procedure is considered safe.
How to Get Tested for Strep: What to Expect
Wondering what strep testing actually involves? Learn where to go, how the tests work, and what your results mean.
How Doctors Confirm Pregnancy: Urine, Blood & Ultrasound
Learn how doctors confirm pregnancy using urine tests, blood tests, and ultrasound, and what to expect at your first prenatal visit.
What Is Normal Body Temperature for Adults?
98.6°F isn’t the universal standard it once was. Learn what normal body temperature actually means for adults today.
How to Get an STD Test: Where to Go and What Happens
Find out where to get an STD test, what to expect during the process, and how often you should get tested based on your situation.
How to Test for Down Syndrome: Screening vs. Diagnosis
Learn the difference between Down syndrome screening and diagnostic tests, from first trimester bloodwork to amniocentesis, and how to choose the right path for you.
Is There a Test for Croup? How Doctors Diagnose It
Croup is usually diagnosed by listening and observation alone. Learn how doctors identify it, when imaging helps, and what else it might look like.
What Is a Herpes Test Called? Swab, Blood & PCR
Herpes tests go by different names depending on your situation. Learn which test—swab, blood, or PCR—is right for you and what to ask your doctor.
What Happens at a Sleep Study: What to Expect
Curious about sleep studies? Learn what the sensors feel like, how the night unfolds, and what your results actually mean.
How Is Kidney Function Tested? Blood, Urine & More
Learn how doctors use blood tests, urine tests, and imaging to check how well your kidneys are working and what the results mean for your health.
How to Test for Ectopic Pregnancy: What Doctors Look For
Doctors use hCG blood tests, transvaginal ultrasound, and progesterone levels together to diagnose ectopic pregnancy. Here’s how the process works.
How Often to Change a Dexcom Sensor by Model
Learn how long each Dexcom sensor lasts, when to swap early, and how to remove it without irritating your skin.