Dr. O'Connor explains if knee arthritis is hereditary.
There is some genetic predisposition. So it could be that you are going to be at a little higher risk of arthritis if your mother had it and your grandmother had it because you may have a genetic predisposition to that.
About Dr. O'Connor, M.D.:
Dr. Mary O'Connor, M.D., was accepted as a resident in orthopedic surgery at Mayo Clinic in Rochester, New York in 1985. She joined the orthopedic surgery staff at Mayo Clinic in Jacksonville, Florida in 1991, and since 2005 has served as department chair. Dr. O'Connor cares for people with hip and knee arthritis, failed joint replacements, and pelvic tumors.