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Hiya, I took Provera to start my period, and took Clomid days 3 - 6. I was testing with OPK's up until I got a positive 2 days in a row.. So definitely must have ovulated. I am now 18 DPO and no period, some mild cramps since ovulation.. mainly for the first week, they have subsided, but occasionally feels like slight period pains. I've done numerous pregnancy tests.. all negatives. But if I definitely Ovulated I should definitely get my period right? If I'm not pregnant that is? Or maybe I had LH surge but did not ovulate.. Otherwise I'm pregnant with not enough hormones built up yet... But all the HPT say that they are 99% accurate on the day period is due, so this is really starting to get frustrating.. especially when I keep wanting to buy pregnancy tests! Does anyone have any information or experiences similar to this?