how soon can you ultrasound a dog for pregnancy
Ultrasound to Confirm Pregnancy. If Lady's pregnancy is planned, ultrasound can sometimes confirm her condition as early as three weeks after breeding; however, it's not always conclusive that early. Generally, you can get a reliable ultrasound diagnosis 28 days after she mates.ltrasound for Viability. Though ultrasound won't tell you how many puppies to expect, it does have value beyond confirming pregnancy. The information gained from the fetal heart rate can give an indication about fetal viability. The normal heart rate for a canine fetus is 200 beats per minute.