A member asked:

Can i use urine that has been sitting out for hours-for a hpt and the urine is cold. i am one day before my period is due.

2 doctors weighed in across 2 answers
Dr. Robert Killian answered

Specializes in General Practice

Pregnancy Testing: No. You should test the first urine of the day the morning after the first day you miss a period.

Answered 5/16/2014

4.1k views

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Dr. Lynne Weixel answered

Specializes in Clinical Psychology

Why?: I can't figure out why you'd chose to test before your period is due - clearly, you've not missed a period yet. Also, I can't figure out why you'd not just collect a nice fresh sample the next time you need to urinate. Since it will not 'hurt' anyone, I suppose you 'can', you probably will not trust the results and you might be correct not to as they might be premature or contaminated, but - why?

Answered 5/16/2014

4.1k views

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