In the television series's fourth season, Elena becomes a vampire and dies then deals with the struggles that come with her change. She took the cure and became human again towards the end of the sixth season. In the finale of the sixth season, Kai linked Elena to Bonnie's life by magic.

Who turns Elena into a vampire?

Though Bonnie tried to help Elena, her transition was inevitable, and in the end, Stefan killed a guard to get Elena blood before it was too late. Though Elena never wanted it, she became a vampire with the help of Stefan and Rebekah.

Is Elena pregnant in vampire Diaries?

Stefan and Elena first meet.. elena and realized Stefan is something about him. Elena gets pregnant and After Elena told stefan elena and Stefan get married the little creature that grows in her belly NO COPYRIGHT INFRINGEMENT INTENDED!