I'm not so sure I'd go by one vet's assumption. I have a pair of cats here that belonged to my (thankfully X-neighbor). Lana's uncle let his cat keep reproducing, and then let his teenage (at the time) neice pick and choose the kittens she wanted. I was getting blue in the face trying to get through to her, and her family how important spay/neutering etc. was...but to no avail. So I went to step #2 and just made the kittens go *POOF* one by one. Impy was my first with half a hind leg, which ended up being amputated at the hip due to him being a rambunctious kitten, and outside at the time. Gabriel, and his sister Nicki were from another litter born to the same mom cat. Gabe has stumps, and Nicki half a hind leg...all were born that way. Either the umbilical cord cut off the blood supply, or the mom cat chewed the legs off as she was birthing the kittens. It happens. And Skippy is also missing a portion of his leg, so it's not so uncommon. I'm amazed that you couldn't make out the initials on Flutter's head! Look at how many others saw them...time for an eye exam for you Kim! And a head exam if you think she's leaving your house! ~giggle~ snort~ chuckle!!!