Season 4

Mackenzie is a teenager with big goals and a big personality. She must put her cheerleading dreams on hold as she and her rodeo cowboy boyfriend prepare for parenthood.

Katie is a high school senior with dreams of studying psychology in Denver, but her pregnancy forces her to put aside her aspirations and establish a stable life for her young family.

An aspiring cage fighter wants to be an independent mother.

An aspiring dancer with an unreliable boyfriend considers adoption.

Jordan's mother has never been her boyfriend Tyler's biggest fan, and the tension between the two only gets worse when Jordan gets pregnant. Even though Tyler is white and an outcast, Jordan wants to make it work. When she bans Tyler from coming into their house, Jordan considers moving out and raising their baby somewhere else.

Devon is the second teenager in her family to get pregnant -- and to top things off, her boyfriend Colin is an Iraq war veteran who is still in the reserves. Though she wants to raise the baby with Colin, Devon wonders if she can handle not living at home, especially if Colin is deployed.