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A member asked:
Twenty days after sex blood and urine test negative , hope i am not pregnant?
2 doctors weighed in across 2 answers
You can test again after a week using the first morning urine (more reliable). Falsely negative te4sts can occur early. There are rarely any falsely positive tests.
Answered 12/3/2022
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Conception occurs within day or so of the sex. It takes about 3 weeks for the embryo to make enough HCG for 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. If the result is negative repeat the test in 4-5 days. Use first morning urine and follow instructions for the test carefully.
Answered 12/4/2022
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