Aches in my pelvic area

Sara
Hi. 
I've not had a period for 8 weeks and done several hpt and all negative. During this last week i've had aches in my pelvic area and breast feel tender. My tummy also feels tight between my belly button and pubic bone.  Had CM during the past 3 days.  No other symptoms. Does this sound like i'm ovulating or pregnancy symptoms?  
TIA