Dull pain on right side near hip?

Lindy • Happily married since Dec 2012. TTC #1 since Feb 2014. Found out on 6/13/14 that I am due 2/15/15. We are overjoyed!
I'm 5dpo and I woke up with a really annoying dull pain on my right side kinda near my hip. It spreads around to my back and it's pretty painful. Hard to walk. Anyone else?