Title: What is the earliest day after a missed period that a person can take a home pregnancy test and expect it to be accurate? - Quora
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Shakti Amarantha
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Quora User

Content: The test should always be positive by one week after a missed period. A blood test can detect lower levels of the pregnancy hormone, HCG, and will be positive much earlier, certainly within a few days of a missed period. With a urine pregnancy test, the more concentrated the sample of urine, the more accurate it will be. That is why it is often recommended to get the first morning urine - it assumes that you haven’t been drinking during the hours that you slept and therefore your
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A home pregnancy test, the urine test, will be positive about half of the time on the first day of a missed period. The test should always be positive by one week after a missed period. A blood test can detect lower levels of the pregnancy hormone, HCG, and will be positive much earlier, certainly within a few days of a missed period. With a urine pregnancy test, the more concentrated the sample of urine, the more accurate it will be. That is why it is often recommended to get the first morning urine - it assumes that you haven’t been drinking during the hours that you slept and therefore your urine will be concentrated. Quora User
, Doula
Answered 6 years ago · Upvoted by
Jeff Menegas
, Board Certified Gynecologist for longer than I care to admit. · Author has 926 answers and 2.9M answer views
Originally Answered: