Sammy had surgery on her grade 3's. Her knees still pop, but she definitely walks better and her back is straighter. She used to have an arched back and her knees would stay stiff when she walked. She still jumped on everything (and still does
) I wish the surgery would have done more for her, but I know she would have had more trouble if we had not done it. My vet hinted that she might need repeat surgery, which we are not considering unless I feel that she is in pain or her movement is restricted. The recovery was not fun for the active little thing that she is. Don't rush into anything - they say the best time for surgery is when they are 1-2 years old. Waiting a few months is not going to change anything.