No matter what time in your life you become a mom, it will most likely involve major sacrifices and a steep learning curve. However, entering the motherhood club at an earlier age involves its own unique set of challenges that many don't realize unless they were once a new mom in their teens or 20s. From being mistaken for your own child's babysitter to feeling constantly judged by both friends and strangers, these are the 16 signs that you were (or still are!) the young mama in your group.