Light go-and-come cramps??

My husband and I started trying for a baby in the end of April. I got off my pills and had a period May 6-11. I had taken easy read expensive ovulation tests for about 6 days, with all negatives, when the testing stick broke. It was a faulty test, so the company had to send me a new one. I'm afraid I missed my ovulation, so I figured after a few days of no tests, I would buy some cheap ones to hold me over until the new box came in the mail. They all, but 2, read positive. (6 tests in all, that's too many +, right?) I have had a light twinge of pain every single day for about a week or so now on my right ovary. I'm supposed to start my period anywhere from now to 5 days from now, but because I was irregular before I started my BC 5 years ago, I'm unsure of when I should be starting. I am extremely emotional, restless, bitchy, no other symptoms... BUT my right ovary has been lightly cramping for the past 7 days now and it's throwing me for a loop. This is not period cramping. Everyone around me is saying I'm pregnant but for some reason I just don't believe them...