Usually, most dogs tend to go into heat every six to seven months. There can be individual variances with some dogs going into heat as early as four months, or as late as every twelve months.
Will a female dog continue to bleed if she is pregnant?
At what age does a heat cycle end for a female dog?
When will I know that it's time to put my seventeen-year-old dog down?
If my dog's puppies are too big, how can I help her give birth without having a C-section?
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Copyright © 2018 HubPages Inc. and respective owners.