Have a look at the below link it speaks about your concern and says that the first urine in the morning is ok.
http://www.clearblueeasy.com/clearblue-easy-digital-ovulation-test-faq.php
HTH
For those who use Clearblue digital ovulation kit, can you please tell me if it is ok to use first morning urine? As I can not go for 4hrs without peeing and instructions doesn't specifically mentions if it is ok or not to do test first thing in the morning...also as I was using normal pee sticks before, (where lines appear)and it specifically ask you not to use first morning urine I'm confused...I'm supposed to test tomorrow so appreciate response. Thanks
<em>edited by DubaiKB on 20/07/2011</em>
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