Answer
How long are dogs pregnant?
Dogs are pregnant for about 63 days from mating on average, with a normal range of 57 to 65 days (VCA): roughly nine weeks.
Open the dog pregnancy calculator
Week by week
| When | What |
|---|---|
| Day 21 | Vet may feel swellings |
| Days 25–35 | Best ultrasound window |
| After day 22–27 | Relaxin blood test |
| From day 42–45 | X-ray shows skeletons: litter count |
| Day 57–65 | Normal delivery window |
More questions
How many weeks is a dog pregnant?
About 9 weeks.
Can a dog be pregnant for 70 days?
That is past the normal range; call your vet if nothing has happened by day 65.
When does a pregnant dog start showing?
The belly usually grows noticeably in the second half, from about week 5 or 6.
How do I calculate my dog’s due date?
Add 63 days to the mating date, or use the dog pregnancy calculator.
Do small dogs have shorter pregnancies?
Gestation is similar across sizes; litter size differs more.
When should my dog see the vet?
Around day 25–35 for an ultrasound and around day 45 for an x-ray to count puppies.
Can you tell a dog is pregnant at 2 weeks?
Not reliably: tests work from about three to four weeks.
What is the earliest a dog can give birth safely?
From about day 57; earlier is premature: call your vet.
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