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How accurate are pregnancy tests?

Medically reviewed by Peter Weiss, MD Key Takeaways Many home pregnancy tests claim to be 99% accurate if used on the day of ...
It's been nearly four years since people started getting sick with COVID-19, but with new variants mutating each season, the health steps experts asked us to take at the beginning of the pandemic ...
Pregnancy blood tests are over 99% accurate at detecting hCG, a hormone that rises after conception. False negatives can occur if the test is taken too early, so timing is important. Blood tests can ...
With COVID-19 rising this winter, it’s getting more complicated to discern whether you are infected. Dr. Elizabeth Hudson, regional chief of infectious diseases at Kaiser Permanente Southern ...