Breaking Dawn will be produced by the same company (Summit Entertainment) however no details on the screenwriter have been revealed.http://www.hollywoodreporter.com/hr/content_display/film/news/e3ifc7bb2290700c27f4a0ada4363d9b59e

It is likely that the Breaking Dawn trailer will be released in 2011 once filming for Breaking Dawn has finished. Robert Pattinson has revealed that filming will commence in late 2010.http://www.digitalspy.co.uk/movies/news/a186045/robert-pattinson-dawn-to-film-in-2010.html

Breaking Dawn is the fourth book in the Twilight Saga which focuses on Bella Swan and her marriage to Edward and their honeymoon. Bella realizes that she is pregnant and gives birth to her daughter Renesmee Cullen.

As a result of giving birth, she breaks bones and loses blood. Realizing that Bella could die, Edward turns her into a vampire, what Bella had always had desired.