Okk im soo lost help me out?

Sooooo...I took 5 pregnancy test they are all positive...But yet I ovulate on the 22nd of each month....And My period is only 7 days long and I start it on the 14th every month soo..That's 31 days apart am I correct?? Well...Im trying too fingure out how many weeks I am? Any help??? I had my period for last month...Sooo doesnt make any sence..I took A clear blue..test, how weeks can they tell your pregnant?