check out this link, it has the sensitivites of many commone pregnancy tests....
http://www.peeonastick.com/hpts.html. Depending on the type of Clearblue test it's anywhere from 25-50 miu
don't know if the predictor early one is available here (Qatar) I keep seeing all the cheaper brand looking ones but am unsure and every time i ask a pharmacist what the level of hcg is he looks at me like i'm nuts. English is not the most widely understood language.
the clear blue is 50ml and the predictor normal test is 50ml and the new one predictor test early 5 days before missed period is 20ml it is really good i tried it