I have a puppy story for you, well kinda. In the last year my golden lab (Thor) and my blue pit (Fauna) have had 2 litters of puppies. We missed his first appointment to get fixed and I missed a day of keeping them seperate while she was in heat. BAM! Litter #1 had 8 puppies(August), all went to good homes, one including mine
her name is Katniss (another story short though). Rescheduled the mighty Thor's appointment and the day before BAM! again! Litter #2 had 12 puppies, all went to good homes, none at mine this time! All pups were black and white or chocolate and white. I will post photo if I can find them again!
Moral of the story: Get all animals fixed unless you want extras!
My male and both females are now fixed, although I love puppies I certainly don't miss it!