What age do female dogs go into heat?

Although it varies with different breeds and individual dogs, an unspayed female usually goes into heat twice yearly, about every six months. read more

The time during which male dogs are attracted to a female dog is variable, approximately 18 days. read more

The youngest is about six months of age though sometimes a female will come into season younger. First heat can start as late as 12 or even 14 months of age or later in rare cases. Again, it can vary dog to dog. read more

Factors That Contribute To The Timing of Heat Most female dogs have their first “heat” or estrus somewhere between 6 and 15 months of age. Sighthounds are notorious for waiting until they are a bit older, while small and Toy breed females tend to have their first heat on the early side. read more