Better that way: Conception, as defined by the generation of a fertilized ovum, occurs within day or so of the sex. However, it takes about two weeks for the embryo to make enough HCG to produce a positive pregnancy test. Blood test may be done a day after a missed period. Home pregnancy tests should be done 4-5 days after the missed period. Please seek care from a doctor to protect your and your baby's health.
Answered 12/1/2014
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No: Different tests may reveal pregnancy earlier than a missed menses. Check the tests you buy
Answered 10/27/2015
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