Takes a while: Fertilization takes time, and most suggest a 3-4 day interval of egg and sperm approaching each other before conception. Then it takes several days for the fertilized egg to move into the uterus and attach.After attachment, it takes a few days before it forms enough of a tissue mass to begin making the hormones that signal pregnancy/tern a test positive.Pregnancy has happened during menses.
Answered 10/16/2015
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