Age or sex of the urine doner does not matter. Read the substitution link in my signature at the bottom of this post. Fresh urine should be submitted within 8 hours at room/body temp. Hope that helps. N2
IamN2pot Reviewed by IamN2pot on . For Substitution - Does Gender of Urine Matter? hey...im gonna have a test comming up in a couple of days for a job...i know they just let you go in the room by yourself..i know cause my friend got a job at the place im going a week ago...so i can have my g/f give me urine, for a non-lubricated condom i have the day of the test....so im gonna tape it on my inner thigh and use it for the test...so i know for a fact shes not pregnant,(shes on the pill) so would it matter that its not same gender? and do you think the tempature would be ok like Rating: 5