HPT's are accurate about a week after a missed period. The positive test seven days post encounter was most likely a false positive. Has your friend missed her period? If so, have her see her OBGYN since the dates you posted add up to 28 days after intercourse.
Answered 3/25/2022
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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 3/25/2022
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3 doctors weighed in across 2 answers
3 doctors weighed in across 2 answers
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