Our girl is 5 months old and everyone we have spoken to (vets, breeders etc) have said to wait until she is fully mature in both body & mind before having her spayed, and that may even mean a couple of seasons, we'll just see what happens when she has her first season.

I have also known people have their dogs spayed before a season with no problems, so I'd say go with what you feel is best for your individual dog

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