yes.
She will gain weight and get swollen teats.
That would be quite unusual. It's likely that the dog does have teats but if she has not been bred they are very small. If you look closely you should see some indication of teats along their underside.
They Pregnant Nuh BLOODCLAAAT !
They are called dugs. dug (dŭg) n. An udder, breast, or teat of a female animal.
The teats should not be swelling at all after being spayed unless they were swollen before the surgery. You need to take your dog in to be checked out by your Veterinarian as soon as possible.
She has them, so do male dogs (there are very few male mammals without teats, rats are one of the only species where this occurs). They do become more apparent with pregnancy
The liquid that comes from a female English Mastiff's teats is typically milk, which is produced when the dog is nursing puppies. If the dog is not nursing, any discharge could indicate a medical issue, such as mastitis or hormonal imbalances. It's important to consult a veterinarian if there are any concerns about unusual discharge.
pregnant dog
See the vet immediately! Dogs can get cancer on their teats. My sister-in-law had a dog with cancer of two teats and it was successfully operated on saving the dogs life. She could have had a hard time giving birth and something could be wrong inside of her. Get to that vets!
yes
Black is the best!