Before you try to detect pregnancy in your female dog, figure out whether she has been spayed, has been in heat recently, or has been in contact with an unaltered male dog. If your dog has not been in heat or around a male dog in the last 2 months, she is probably not pregnant. However, if she has, look for signs of pregnancy, like her nipples becoming elongated and her belly growing. If you suspect your dog is pregnant, take her to the vet 28-30 days after the date you think she ...