our cat mimzy had the same.it is common 4 them 2 get a hernia after being spade in this way.the vet couldnt tell when he looked at her so she had a scan 2 make sure.it was fine no hernia just a reaction 2 the stitches.had 2 take her back again a weel l8r just 2 check.she now has a clean bill of health but im glag i had it looked at.c what the nurse says 2 moz x

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]mummy 2 :_lucy x rescue,2 golfish & 3 gals, african grey parrot - mojo x