Unspayed female dogs can have their first heat cycle anywhere between 6 and 15 months of age. During heat, which happens every six months or so and lasts a few weeks, your dog can get pregnant.

Discover five fascinating facts about female dogs, including their heat cycles, unique behaviours, health risks, and false pregnancies.

We have two male Retrievers, a pup approaching nine months, and an older dog age seven. We never had our older dog neutered ...