A member asked:

How soon after something happens should you take a pregnancy test? i was on the 18th day of my cycle, i'm on my 21st day now. my period is late.

3 doctors weighed in across 2 answers

Late is soon enough: If your period is overdue then you can run a pregnancy test now.

Answered 12/26/2015

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Pregnancy?: Urine pregnancy test becomes positive only after the fertilized egg has arrived inside the uterus and implanted into the uterus and then sent enough amounts of hCG, also called pregnancy hormone, into your blood stream and from there into the urine. About 12-19 days after ovulation. It basically depends on timing of implantation, HCG level in blood and urine and sensitivity of test being used.

Answered 12/27/2015

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