Rabbit Pregnancy Calculator

This free rabbit pregnancy calculator turns the date your doe was bred into her kindling (due) date and a full week-by-week and day-by-day gestation timeline. It marks when to palpate to confirm the pregnancy, when to add the nest box, and when the babies are due — plus a breeding-readiness check for younger does.

A rabbit is pregnant for only about 31 days — barely a month. Enter the date she was bred below and the calculator maps her whole pregnancy, from palpation day to kindling.

Enter the breeding date to get the due date and the key pregnancy milestones.

Date bred (put with the buck)

Gestation length

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kindling (due) date

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Palpate (day 14)

Confirm pregnancy

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Nest box (day 28)

Put in cage

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Due window

Day 28–33

The complete day-by-day schedule from breeding to birth.

Date bred

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full pregnancy timeline

What happens each week, and what to do. Add a breeding date for exact dates.

Date bred (optional)

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pregnancy week by week

Is your doe old enough to breed — and can a young rabbit already get pregnant?

Breed size

Doe’s age (months)

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breeding readiness

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Fertile from

Can conceive

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Breed from

Recommended

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Safe litters

Per year

Rabbit gestation period by breed, with the milestone days.

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gestation by breed

How the Rabbit Pregnancy Calculator Works

The rabbit pregnancy calculator adds the rabbit gestation period — an average of 31 days — to the date your doe was bred to find her kindling (due) date, then flags the milestones in between. So a rabbit bred on 1 January is due around 1 February. Because real pregnancies run 28 to 33 days, the tool also shows a due window rather than a single day. Along the way it marks day 10–14 (when you can palpate to confirm the pregnancy), day 28 (when the nest box goes in), and day 31 (the usual kindling day). The breeding-readiness tab works the other way, checking a young doe’s age against the maturity for her breed size.

Day after breeding	Stage	What to do
Day 0	Bred	Note the date the doe was put with the buck.
Day 10–14	Palpation	Gently feel for marble-sized embryos to confirm pregnancy.
Day 28	Nesting	Put the nest box in; the doe begins pulling fur.
Day 31	Kindling	Babies (kits) are usually born, often early morning.
Day 33	Overdue	If no kits yet, call a rabbit-savvy vet.

Average litter size is about 6 kits. Keep the pregnant doe calm, well fed and undisturbed — stress late in pregnancy can cause problems at kindling.

How Many Months Are Rabbits Pregnant?

Rabbits are pregnant for about one month — the gestation period averages 31 days, with a normal range of 28 to 33 days. That is remarkably short compared with a human’s nine months, and it is one reason rabbits are such prolific breeders. Gestation barely varies by breed: a tiny Netherland Dwarf and a huge Flemish Giant are both pregnant for roughly 31 days, with larger breeds tending toward the top of the range. If you count 31 days forward from the breeding date, you will land on the expected due date, give or take a couple of days.

Can a 4 Month Old Rabbit Get Pregnant?

Yes — in most breeds a 4-month-old rabbit can absolutely get pregnant. Small and medium breeds reach sexual maturity at just 3.5 to 4 months, large breeds around 4.5 to 6 months, and giant breeds a little later. This is why unspayed females and intact males must be separated well before then: a brother and sister raised together can produce a litter before they are even half grown. Being able to conceive is not the same as being ready to breed, though. Responsible breeders wait until a doe is physically mature — about 5 months for small breeds, 6 to 7 months for large ones — so her body can carry and deliver a litter safely. Use the Breeding Readiness tab to check a specific doe.

Is a 3 Month Old Rabbit Still a Baby?

A 3-month-old rabbit is best described as a juvenile or adolescent — no longer a tiny baby, but not yet an adult. The true baby stage (a kit) lasts from birth to weaning at around 4 to 8 weeks. From then until sexual maturity at roughly 3.5 to 6 months (depending on breed), rabbits are teenagers: growing fast, often moody, and — importantly — becoming fertile. So a 3-month-old may look and sometimes act like a baby, but it is already approaching breeding age. Full physical and social maturity isn’t reached until about 6 to 12 months, and giant breeds keep growing for even longer.

How Many Times Can a Rabbit Be Pregnant?

Biologically, a huge number: a doe can conceive again within hours of giving birth, and with a 31-day pregnancy that means she could theoretically have a litter almost every month — up to 10 or more litters a year. That is how rabbits earned their reputation. But breeding that intensively exhausts a doe and is poor welfare. Responsible owners and breeders limit it to roughly 3 to 5 litters a year depending on breed size, always leaving time for her to recover and raise each litter before the next. Over a lifetime a doe is usually retired from breeding by about 3 years of age. The simplest way to prevent unwanted pregnancies entirely is to spay or neuter.

How to Tell If Your Rabbit Is Pregnant

The most reliable method is palpation around day 10 to 14, when an experienced breeder or vet can gently feel marble- to grape-sized embryos in the abdomen. Other signs appear later: a growing appetite and weight gain, a noticeably rounder belly from about week 3, moodiness or territorial behaviour, and — the clearest late sign — nest building and fur pulling in the last few days before kindling. Be aware of false pregnancy (pseudopregnancy), where an unbred or unsuccessfully bred doe pulls fur and builds a nest but has no kits; it usually resolves by about day 18. If you are unsure, a vet can confirm a pregnancy by palpation or ultrasound.

Frequently Asked Questions

What day should I put the nest box in?

Put the nest box in on about day 28 of the pregnancy, three to four days before the day-31 due date. Add it too early and the doe may use it as a litter tray; too late and she may kindle on the cage floor. Fill it with clean hay or straw and let her add her own pulled fur.

Can you palpate a rabbit to check for pregnancy, and when?

Yes. Gentle palpation of the lower abdomen between day 10 and day 14 is the earliest reliable way to confirm pregnancy, when the embryos feel like small marbles or grapes. It takes a careful, experienced hand — done roughly it can harm the litter — so if you are unsure, have a vet or seasoned breeder show you or do it.

Why did my rabbit pull fur but not have any babies?

That is usually a false pregnancy (pseudopregnancy). A doe that mated unsuccessfully, or was mounted by another female, can go through the hormonal motions — nest building and fur pulling — without being pregnant. It typically passes within about 16 to 18 days and needs no treatment, though frequent false pregnancies are a reason to consider spaying.

How soon after mating can I tell if my rabbit is pregnant?

There are no outward signs in the first week. The earliest reliable confirmation is palpation at day 10 to 14. Visible changes — a rounder abdomen, bigger appetite and weight gain — usually show from week 3 onward, and nest building appears only in the final days before the day-31 due date.

Can a rabbit lose or reabsorb her litter?

Yes. If a doe is stressed, ill, malnourished or carrying non-viable embryos, she can reabsorb the litter early in pregnancy, which is why a rabbit that seemed pregnant at palpation sometimes never kindles. Later losses can show as a miscarriage. Keeping her calm, well fed and undisturbed through the pregnancy gives the best chance of a healthy litter.

What should I feed a pregnant rabbit?

Keep unlimited grass hay as the base, and from around week 3 gradually increase good-quality pellets and introduce alfalfa (lucerne) hay for the extra protein and calcium she needs. Keep fresh water available at all times. Do not make sudden diet changes, and avoid sugary treats. Her appetite will rise through the second half of pregnancy and especially while nursing.

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PetCalculatorHub Editorial Team

This rabbit pregnancy calculator uses the widely cited rabbit gestation period of 31 days on average (range 28–33) and the standard breeding-milestone schedule — palpation at day 10–14, nest box at day 28, kindling around day 31. Breed-maturity ages follow general rabbitry guidance (small breeds fertile from about 3.5–4 months, giants later). These are general guidance, not veterinary advice; for help confirming a pregnancy, a difficult kindling, or breeding decisions, consult a rabbit-savvy vet.

References: House Rabbit Society, the PDSA rabbit guide, and RSPCA rabbit advice.

Last updated: October 2026