Apr 18, 2010 · When I got my guinea pig, we didn't know she was pregnant, so about a month later, my sister got one that wasn't pregnant. It was a little less that a month after that that my guinea pig had 2 babies.

It is recommended to quarantine new guinea pig for 2 to 3 weeks. Owner is advised to wash hands well in between handling the new and the resident guinea pig and consider changing shirt or wearing a removable cover-up when handling the new (or sick) guinea pig. Signs of Normal Labor. By choice and sometimes by accident, a pregnant guinea pig comes under our care. All pregnancies are risky and breeding is never recommended. Should complications arise, it is extremely important that you have a veterinarian lined up for emergency care before the actual delivery.