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Originally Posted by pstinard  My veterinarian, who is young and presumably up on the latest research (my vet is intimately associated with the University of Illinois Veterinary College as it's in the same town), overwhelmingly recommends spaying before the first heat for my Yorkie. 90+% of internet articles support this conclusion as well. I will raise these issues about physiological maturity before I have it done, just to be sure, and if there are new revelations, I will be the first to shout them to the four winds  . |
Well what is spaying before the first heat? Before or after boney plate closure, because the research is pretty suggestive of problems with same.
And as almost always suggested and talked about is the incidence of mammary cancers (which is less than <10%) even if in un spayed females.
And mammary cancers cancers should be easily detected, and with a great cure rate.
All I can say and point you to is the research that has been done. For me, still we de sex females, but after at least their first heat.