Due date

January 3, 2027

Normal range December 27, 2026 to January 10, 2027 (7 days either side).

LengthAbout 63 days
Have the whelping box ready byDecember 29, 2026

Check her temperature twice a day as the due date nears. A drop below 99°F usually means whelping within about 24 hours.

Week 1
Days 1–7

Breeding and fertilization. No outward signs yet.

Week 2
Days 8–14

Embryos travel to the uterus and implant.

Week 3
Days 15–21

Implantation completes. Some dogs show mild appetite changes.

Week 4
Days 22–28

Ultrasound can confirm pregnancy from about day 25; a relaxin blood test works from around day 28.

Week 5
Days 29–35

Abdominal palpation window (about days 28–35). Fetuses develop quickly.

Week 6
Days 36–42

Belly starts to show. Appetite and weight rise.

Week 7
Days 43–49

Fetal skeletons begin to show on X-ray after about day 45.

Week 8
Days 50–56

Set up the whelping box (AKC: at least 5 days before the due date). X-rays after day 55 are best for counting puppies.

Week 9
Days 57–63

Check her temperature twice a day. A drop below 99°F signals whelping within about 24 hours.

Estimates only, not veterinary advice.

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