It typically takes about 20 days after mating to start seeing noticeable signs of pregnancy in a Bedlington Terrier. At this stage, you might observe changes such as enlarged nipples and the development of mammary glands. However, it's best to confirm pregnancy through a veterinarian-conducted ultrasound around the 30-day mark.

Early Signs of Pregnancy in Bedlington Terriers
Within the first week post-mating, a Bedlington Terrier might show subtle changes. These can include a shrinking vulva, a small amount of dark brownish discharge, and decreased appetite. By about 20 days after mating, more obvious physical changes emerge, such as erect nipples and developing mammary glands. Around the one-month mark, the abdominal area may begin to expand, the breasts might droop, the nipples will become more elastic, mammary glands will enlarge significantly, and some females might even start producing milk. A rapid weight gain and increased urination frequency are also typical indicators of pregnancy. While these signs are strong indicators, it's important to note that false pregnancies (pseudopregnancy) can occur in dogs.
Confirming Pregnancy and Monitoring Your Dog
To definitively confirm pregnancy, an ultrasound is recommended around 30 days post-mating. This can visualize the developing puppies. If no fetuses are detected within 30 days of mammary gland development, it's likely that your dog is not pregnant, or that she is experiencing a false pregnancy. During the pregnancy period, besides ensuring a balanced and nutritious diet, your Bedlington Terrier will still require a moderate amount of exercise.
Importance of Veterinary Checkups
Regular vet visits are crucial during your Bedlington Terrier's pregnancy. These checkups ensure both the mother and puppies are healthy and that any potential complications can be addressed promptly. A proper pregnancy check-up includes ultrasound confirmation of pregnancy, checking for any health problems for mom and puppies, and also guidance on feeding and exercise as the pregnancy progresses.