VIDEO: Join The 16 And Pregnant Cast On Their Teen Mom Journey

On MTV's 16 and Pregnant, you watched Maci, Farrah, Amber and Catelynn move through the process of having a baby at a very young age, and although all four girls still stand by the decisions they made, this new chapter in their lives is definitely no walk in the park. On Dec. 8 at 10pm, MTV will premiere its new series, Teen Mom, which follows each of the mothers throughout their first year of parenthood. Check out the show's trailer below to get your first glimpse at what's been going on in their lives since giving birth.