| Gestation Period | Approximately 58 to 63 days from the time of conception. |
| Signs of Pregnancy | Swollen nipples, increased appetite, weight gain, nesting behavior, and behavioral changes. |
| Prenatal Care | Regular vet check-ups, appropriate nutrition, and exercise. |
| Diet | High-quality, balanced diet rich in nutrients, divided into smaller, frequent meals. |
| Exercise | Moderate exercise is recommended; avoid strenuous activities. |
| Ultrasound | Can be performed to confirm pregnancy and monitor fetal development. |
| Fetal Development | Embryonic development includes the formation of organs and limbs. |
| Preparing for Birth | Create a comfortable birthing area, gather necessary supplies, and educate yourself on labor signs. |
| Labor Signs | Decreased body temperature, restlessness, nesting behavior, and contractions. |
| Labor and Delivery | Typically, Chihuahuas give birth without complications; assistance may be needed in some cases. |
| Postnatal Care | Monitor the mother and puppies closely, provide warmth, nutrition, and veterinary check-ups. |
| Spaying/Neutering | Considered after weaning puppies to prevent future pregnancies. |