I Do Lots Of Yoga (5 X A Week). Have

I do lots of yoga (5 x a week). Have noticed bruising on hand around thumb and forefinger. Bruise but no pain. Weeks later small bruise with no pain above wrist. Mshould I worry. Healthy otherwise. Only meds are fluoxetine, Zantac, vitamin and vitamin d for osteopenia. 60 year old female.