Gerbil Gestation Calculator

A gerbil doe carries her pups for roughly 24 to 26 days, though nursing a previous litter can delay a new one. Enter the pairing or exposure date above for a due window, then use the notes below to keep the bonded pair calm. For health concerns, consult your veterinarian.

Gerbil gestation at a glance

Typical averages; a doe nursing an earlier litter may carry noticeably longer.

• Average length: 24 days
• Typical range: 24 to 26 days
• While nursing: up to about 42 days
• Litter size: 3 to 8 pups
• Pups born: hairless and blind
• Fur appears: about 1 week
• Eyes open: 16 to 20 days
• Weaning age: 3 to 4 weeks
• Postpartum heat: within hours
• Female name: doe
• Male name: buck
• Baby name: pup

Newborn gerbil milestones

Pups are helpless at birth; the bonded pair usually raises them together.

• Day 1: pink and blind
• Day 3: skin darkens
• Day 5: fuzz begins
• Day 8: fur coat
• Day 10: ears open
• Day 12: crawling
• Day 18: eyes open
• Day 21: exploring
• Week 3: tasting solids
• Week 4: weaning
• Week 5: independent
• Week 9: sexual maturity

Frequently asked questions

How long are gerbils pregnant?

Gerbil gestation is about 24 to 26 days for a doe that is not nursing. If she is still feeding an earlier litter, delayed implantation can stretch the pregnancy to around 42 days, so a later than expected birth is often normal rather than a problem.

Why is my nursing gerbil pregnant for longer?

A doe that conceives while still nursing can pause the new embryos through a process called delayed implantation, spreading the litters out so she is not feeding two at once. This is why a pregnancy overlapping with a nursing litter can run well past the usual 24 to 26 days.

How many pups do gerbils have?

Litters commonly run 3 to 8 pups. Gerbils are strongly monogamous and the bonded pair usually raises the young together, with the father helping keep pups warm. Avoid disturbing the nest in the first days, since a stressed doe may move or neglect very young pups.

When do baby gerbils open their eyes?

Pups are born hairless and blind, grow a fur coat by about a week, and open their eyes somewhere between 16 and 20 days. They start sampling solid food in the third week and are usually weaned by three to four weeks, when you should sex them and plan any separations.