Missed heat cycles
Enlarged, pinker nipples
Increased appetite
Weight gain
Swollen abdomen
More affectionate behavior
Nesting behavior
Vomiting or mild morning sickness
Reduced activity
Veterinary confirmation by palpation, ultrasound, or X-ray
Missed heat cycles
Enlarged, pinker nipples
Increased appetite
Weight gain
Swollen abdomen
More affectionate behavior
Nesting behavior
Vomiting or mild morning sickness
Reduced activity
Veterinary confirmation by palpation, ultrasound, or X-ray