How Long Does It Take for a Pregnancy Test to Show a Positive Result?

Learn how long it can take for a pregnancy test to show positive results and when to test for the most accurate outcome.

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The longest it can take for a pregnancy test to show positive is usually up to two weeks after conception. This timeline allows for the detectable levels of the hormone hCG to build up in your body to a point where they can be picked up by a pregnancy test. Patiently waiting until you've missed your period for the most accurate result is often recommended, although some tests claim to show results earlier.

FAQs & Answers

  1. When is the best time to take a pregnancy test? The best time to take a pregnancy test is after you have missed your period, usually about two weeks after conception, to ensure the most accurate results.
  2. Can a pregnancy test show positive earlier than two weeks? Some sensitive pregnancy tests claim to detect pregnancy earlier, even a few days before a missed period, but waiting until after a missed period is recommended for accuracy.
  3. What hormone does a pregnancy test detect? Pregnancy tests detect the hormone human chorionic gonadotropin (hCG), which begins to increase after implantation of the fertilized egg.