no definately not willing to lose her if there was a risk that there would be a problem in pregnancy. I have been told though that while it can be caused by mum chewing the cord too close to pup at birth, it is more likely in this breed to be a gene...
I have a 9 week old Shih Tzu with a small umbilical hernia. I wasnt advised of this when I purchased her but my vet has since advised me of this. It was my intention ...