Raeden answered Friday November 24 2006, 6:24 pm: Uhm. You can become pregnant untill 8 days after intercourse, and it can take another weak for the zygot to attach to your womb, so 2-3 weeks. A test is not always reliable though. If it says you are, it's 100% reliable, but if it says you are not there is a chance you are and the test just failed. [ Raeden's advice column | Ask Raeden A Question ]
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