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Is My Guinea Pig Pregnant? | 5 fascinating Piggy Pregnancy Facts

Guinea pigs are notorious early developers, reaching sexual maturity at a very young age. Typically females are ready to start having babies when they are around two months old, while males become sexually active by three months. Throw in the fact that these furballs are also particularly frisky, and it is no wonder you could be a guinea grandparent before you even know it.