Help - 3dpo pelvic / groin dull ache in thigh?

chelsea

I’m 3dpo (I think) will attach photo of OPK tests I’m currently today CD15 just for reference. Yesterday and today I’ve had this constant dull ache in my right side groin going into the top of my thigh. I’ve only ever had this type of discomfort / ache when I’ve had a heavy and bad period where the cramps have gone into my legs but it’s only on the right side. It’s not painful just extremely uncomfortable and constant. Could this be a sign of anything pregnancy / implantation related? Or should I get checked out ?

Thank you xx