I would have it aborted. this world is cruel.
Since the OP never specified, those of you calling for abortions without even considering the deformity or it's severity are just fukked-up human beings and should just lick electrical outlets since you don't possess critical thinking ability.
Kid could come out looking like this:
'Deformity' =/= 'Defective'
Chuck that lil nikka in the bushes
damn, i would hate for my kid to be called six finger sid...but its better than having 4