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A member asked:
Is a quantitative blood test accurate at 22 days after sex? my normal hcg level is 3. would it show if i was pregnant by 3 weeks after intercourse?
A doctor has provided 1 answer
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, HCG more than 25 indicates pregnancy. 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.
Answered 5/24/2022
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