how long do female dogs stay in standing heat
A female dog will generally stay in heat for about three weeks or around 21 days. However, this heat cycle will vary from one dog to the next. It depends on the breed, the age and the dog herself. A female dog will go into heat twice a year.
In this stage, the female dog starts ovulating and will also allow male dogs to come near her. This stage lasts for about five to nine days. This stage is also known as standing heat as the female will let the male dog come near her. Your dog might appear more distracted, nervous or more alert than usual.