should i worry...

by Breanne Campbell
(Hamilton , Ontario, Canada)

My 4 year jack is an active female and for about 2and half years she hasn't had a period and i don't know if i should be worried or not please help

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Feb 19, 2014
Jack hasn't had a season in awhile NEW
by: William

There are some medical conditions that cause a dog not to go into heat. They are hypothyroidism (the most common), hyperadrenocorticism, hypoadrenocorticism, diabetes mellitus, and cancer. Our Jack had hypothyroidism which is easily treatable. I would have your vet run some tests since having regular season especially at such a young age is a sign that everything is working.

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