Well, director Bill Condon and Summit Entertainment pulled it off, as the Motion Picture Association of America awarded The Twilight Saga: Breaking Dawn - Part 1 with its PG-13 rating today, which keeps it in line with the previous three movies and assures that teens are safe to see it.
The PG-13 rating for The Twilight Saga: Breaking Dawn - Part 1 is based on the following.
"Disturbing images, violence, sexuality/partial nudity and some thematic elements."
It is rumored that there will be a slightly darker, unrated version of the film available on Blu-ray and DVD sometime in 2012, before the release of The Twilight Saga: Breaking Dawn - Part 2.
The Twilight Saga: Breaking Dawn - Part 1 was released November 18th, 2011 and stars Robert Pattinson, Kristen Stewart, Taylor Lautner, Ashley Greene, Billy Burke, Anna Kendrick, Nikki Reed, Jackson Rathbone. The film is directed by Bill Condon.