Depends: A positive result is generally reliable. A negative result on a test done too early is not reliable. Blood test is more sensitive and reliable than a urine test.
Answered 3/8/2019
3.9k views
Company states: The first response product states it can provide results 6 days prior to a missed period. The company states it is > 99% accurate the day of the expected period.
Answered 5/29/2015
2.8k views
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