How long do frogs stay a baby?

Frogs typically remain in their tadpole stage, which is considered their "baby" phase, for about 2 to 12 weeks, depending on the species and environmental conditions. During this time, they undergo significant changes, including growing legs and losing their tails as they metamorphose into adult frogs. After metamorphosis, they are considered juveniles until they reach sexual maturity, which can take several months to a few years, depending on the species.