Is her umbilicus dry? Or is there any seepage to it? If not, then you might try treating it with some alcohol and dry it out until it falls off. But if it doesn't fall of, I'd check with the vet to be sure there isn't an umbilical hernia forming. If it has any wetness, the alcohol will burn. So, then I'd try some type of antibiotic cream to be sure there is no infection setting in, but again, a call to the vet might be in order!
Love those tiny boobies!!
