Please don’t let them breed. Get them BOTH fixed ASAP. There are literally millions of wonderful dogs (many are pure bred) put to death each year because there aren’t enough homes for all of them. Enjoy your pets as just pets. They will be happy & healthier not being bred. Be responsible & don’t add to the pet over population problem. And as other mentioned having shots up to date has absolutely NOTHING to do with the quality of breeder or whether the dog should be bred.