Puberty: Changes for FemalesUploader: Gozahn 3 years ago Subscribe 2
In addition, boys' voices crack and eventually become deeper, their penises grow longer and wider, and their testes get bigger. Sometimes it can be hard to deal with all these new emotions. It helps to know about the changes that puberty causes before they happen. Some other signs that you've entered the final stage of puberty:. The first stage of puberty has no visible signs for most girls. For the first two years, your periods can be very unpredictable.