"I'm about to get a basketball scholarship, we're supposed to go to college together and travel. How are we supposed to do that with a fucking infant? This ruins everything!" Stiles looked up incredulously as Derek was waving the plastic covered test around. "Wow, pardon me for completely destroying your future. You caught me Derek, this was my plan all along, I wanted to get pregnant and stay in beacon hills forever, trapping you here along side me. Screw you!" Or The one au where stiles and Derek are in high school and stiles finds out he's pregnant. A sterek au / mpreg