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A member asked:
Hello, how accurate are blood hcg tests? are they better than urine?
A doctor has provided 1 answer
Blood tests are more accurate and more reliable. 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.
Answered 1/1/2023
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