Guinea Pig Pregnancy Calculator

Wondering when your guinea pig will have her pups? Enter the breeding date below to calculate the estimated delivery window.

Due Date = Breeding Date + 68 Days (Average)
Scenario: Your guinea pig was bred on January 1st.

Calculation:
1. Start: January 1.
2. Average Duration: 68 Days.
3. End: March 10th.

Result: The estimated due date is March 10th, with a typical range between March 1st and March 14th.

How long are guinea pigs pregnant?

The average gestation period for guinea pigs is between 59 and 72 days, with 68 days being the most common. The length of pregnancy often depends on the size of the litter; larger litters usually result in shorter pregnancies.

How can I tell if my guinea pig is pregnant?

Signs of pregnancy include significant weight gain, a pear-shaped abdomen, and increased food and water intake. By week 4 or 5, you may be able to feel the babies moving or feel the pelvic bones starting to separate near the end of the term.

What should I feed a pregnant guinea pig?

Pregnant guinea pigs need extra Vitamin C and calcium. Provide plenty of fresh hay (Alfalfa hay is good for the extra calcium during pregnancy), fresh vegetables high in Vitamin C, and high-quality pellets. Always ensure they have fresh water.

How many babies do guinea pigs usually have?

A typical guinea pig litter size is 2 to 4 pups, though it can range from 1 to 8. Guinea pig pups are born "precocial," meaning they have hair, teeth, and open eyes, and can eat solid food shortly after birth.