Can be too early: The first morning urine is more concentrated & more likely to be accurate. Since the test relies on chemicals produced by the newly forming placenta, it may be a low levels early. It can be positive as soon as a period is late, but may need a few days more to be clear.
Answered 3/16/2018
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2 doctors weighed in across 2 answers
A doctor has provided 1 answer
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