Period not for another 2 weeks but

Why do I have sore breasts and cramping like my period I ovulated on the 4th we've been trying for 1 1/2 now and the past 2 months this has been happening mainly sore breasts only this time I'm cramping like crazy and my right side of my middle back is so sore!!!!! I've pretty much don't believe it's anything pregnancy wise cause to be honest tired of getting hopes up!! On the up side I finally made an appointment with the fertility doctor down side is its not till October cause that's the next available appointment sorry just rambling on really don't have no one to really talk about this with