How to tell if a Rottweiler is pregnant? One week after mating, the Rottweiler’s vagina slowly begins to shrink, and a small amount of dark brown fluid is discharged; when the Rottweiler is pregnant for 2-3 weeks, the breasts begin to gradually increase and the appetite increases. After 3-4 weeks, the nipples of Rottweiler will enlarge, change color to pink, and areola will appear.

1. About one week after the dog mates, the dog’s vagina begins to shrink, a small amount of dark brown liquid can be seen being discharged, and the dog’s temperament is quiet.

2. At 2-3 weeks of pregnancy, the dog's breasts begin to gradually enlarge, appetite increases, coat is shiny, temperament is docile, and movement is slow and steady.

3. After 3-4 weeks of pregnancy, the dog’s nipples will enlarge, change color to pink, and “areola” appears at the base of the breast. A few dogs will have a period of pregnancy around 25 days after pregnancy. Reaction, sometimes vomiting, loss of appetite.

4. After 4 weeks of pregnancy, the dog’s weight will increase significantly.

5. After 6 weeks of pregnancy, the abdominal circumference increases, the frequency of urination increases, the breasts gradually swell, and colostrum can even be squeezed out.

6. After 7 weeks of pregnancy, the fetus can be touched through the abdominal wall, and the fetus' heart sounds can be heard using a stethoscope.