The little Dauntless Surprise

Hello, I'm going to write you a Divergent fan fiction about after Allegiant. Yeah most of this is all like "yeah what happens if Tris lives?" no actually Tris is still dead! here's what Happened...
When tris was shot the bullet miss where this baby was I know what your think "Omg impossible!" well no when they were gonna try to remove this bullet thy found something shocking a baby? yeah they did it one time two find her pregnant. the baby was slightly premature but they were able to get her out and put her in a incubator and save her. what happens when 3 months after Tris's death Tobias is deep in depression but wakes up to find a baby at his door with a note attached saying "It's yours and Tris Priors daughter." Well find out! Give my story a chance:)