Obvious signs of dog pregnancy:

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

2. At 2-3 weeks of pregnancy, the breasts begin to gradually enlarge, the appetite increases greatly, the coat is shiny, the temperament is docile, and the movements are slow and stable.

3. After 3-4 weeks of pregnancy, the nipples enlarge and change color to pink, and "areolas" appear at the base of the breasts. A few dogs will have pregnancy reactions for a period of time about 25 days after pregnancy. , sometimes vomiting and loss of appetite.

4. After 4 weeks of pregnancy, the weight increased 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.