A Thousand Years(A Steferine Fanfic)

After a tragic heartbreak from Elena going to Damon. Stefan decides to move on. He calls Katherine up asks her out which she couldn't refuse. Later on that night they both get drunk and things happen. A few weeks later Katherine wakes up puking her guts up. Stefan tells Katherine that she could be having morning sickness but Katherine tells Stefan vampires can't procreate. Stefan then takes Katherine to Bonnie in attempt to find out what's wrong with her. Bonnie tells Stefan that Katherine is pregnant and Stefan tells Katherine.
Will Katherine keep it? Or Will she give it up?