AF due 19-12 help

Grainne
If I'm right I'm 5dpo has anyone ever had CM after ovulation I've noticed a bit on my underwear this last day or so is this normal or is my dates totally wrong and only ovulating now? 
Haven't performed any cervical checks or anything 
TTC for #1 
have pain in lower right back/hip like pinch feeling constantly and feeling c tired HELP?????