How to Use the Guinea Pig Gestation Calculator
Calculate cavy delivery schedule and pregnancy care milestones:
Enter Mating Date
Select date sow and boar mated.
Calculate 68 Days
Engine adds 68 days average cavy gestation.
Separate Male
Separate boar prior to delivery to prevent immediate back-to-back pregnancy.
Increase Vitamin C
Supplement pregnant sow with fresh bell peppers and Vitamin C.
Key Features & Cavy Care
68-Day Long Gestation
Unlike mice or hamsters, guinea pigs have a long 68-day gestation and give birth to fully furred pups with open eyes.
Pelvic Symphysis Warning
First-time breeding should occur before 6-8 months of age to prevent pelvic bone fusion.
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Cavy Care Guide: Guinea Pig Pregnancy & Pups
Guinea pig pregnancy lasts approximately 68 days. Because cavy pups are precocial (born with teeth, hair, and open eyes), pregnant sows carry heavy litters. High quality alfalfa hay and adequate Vitamin C are essential to prevent pregnancy toxemia.
Frequently Asked Questions
?How long is a guinea pig pregnant?
Guinea pigs are pregnant for 68 days on average.