Dogs can generally get pregnant at 7-8 months of age, which happens to be the first heat period of a female dog, but it is not recommended to breed the dog at this time because its body is immature and premature pregnancy can lead to damage to reproductive organs, it is best to wait until after one year of age before breeding and getting pregnant. Dogs can get pregnant after the first heat, because at this time has been sexually mature, but in fact at this time, the body of the dog is still only basic stereotypes, wait until 12 months, the skeleton to stop developing, complete body maturity, so the best fertility until after adulthood, but it should be noted that if it is a large dog, its maturity period is longer, may need to wait until 1.5 years old, or even 2 years old, so it is best in the dog’s 2nd-3rd Therefore, it is best to breed and conceive when the dog is in its second to third heat.
