Cramping and back pains?

Is cramping and back pains normal during ovulation? I'm getting so depressed because I feel like AF is coming but it shouldn't be.. I took provera to force a cycle then clomid as directed by drs... Started testing on opks and finally for the first time in over a year got a flashy smiley face on my opks (going on day four now.... Still no solid yet) so according to my Dr, app prediction and opks I am ovulating.... But is cramping and back pain normal during ovulation????

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