A female asked:
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when should i take a hpt if i'm irregular? how many days after sex?

1 doctor answer
Dr. Rawhi Omar
43 years experience Pathology
At least 2 weeks: Conception may take place only if sexual intercourse happens within few days from ovulation. After conception it takes about 2 weeks to produce detectable levels of HCG, the hormone responsible for a positive test.
Answered on Feb 4, 2015

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