it depends on what you want to know. a lot happens after the change
In Breaking Dawn, Edward turns Bella into a vampire.
no
she doesn't turn into a vampire in eclipse she turns in to a vampire in Breaking Dawn when Reenesme is being born and she is breaking Bella's spine.
They remain the same. Charlie eventually figures out that something wierd has happened to Bella, but he doesn't want to know.
she turns into a vampire
Bella turns into a vampire in the last book Breaking Dawn.
in breaking dawn edward turns her into a vampire
No, Edward turns Bella into a vampire when she is giving birth to Renesme. If he didn't Bella would have died.
he gets sad when Bella's sick but falls even more in love with her when she turns into a vampire.
she turns into a vampire in breaking dawn after she has the baby
Bella becomes a vampire in the fourth book. Edward turns her in to a vampire to stop her from dying when giving birth to his baby.
Bella turns into a vampire to keep her alive while giving birth to their daughter and Edward turns Bella into a vampire.