This review contains many **SPOILERS**! I watched this movie with my husband and daughter with some concern after reading the reviews. However, we've seen the other films, so I THOUGHT I kind of knew what to expect, my daughter really wanted to see this one and she is 12, mature for her age and has handled several PG-13 movies with no issues.
The movie started out well enough, and as other reviewers have mentioned there was some more mature content during the honeymoon scenes that would be good talking points for a family. The sex scene, while not terribly explicit, I felt pushed the rating, but okay... From there the movie tipped completely into horror film territory. Some highlights - A lot of heated talk about how the baby was a 'thing' and the pregnancy should be terminated. Research by the family showing graphic images of women dying during childbirth, and demonic children. The highly disturbing pregnancy left Bella ghoulishly thin. Skeletal would be more accurate, with dark gaunt features, sunken eyes and very literally a skin and bones appearance. Also a very upsetting portrayal of a "difficult" pregnancy where the baby's growth breaks the bones of the mother as it grows! The sound effects were painfully realistic; when the birth scene began the sound and visual of Bella's spine breaking actually made me physically ill. Even knowing going in that there was a disturbing birth scene, I was horrified about the level of terrifying imagery, auditory horror and violence of it. The cesarean was shown. Bella was screaming. When she "dies" it is horrible and stark. Edward's attempts to turn her involve biting her everywhere, leaving seeping bite wounds. My daughter was so terrified during this entire scene that she not only closed her eyes as tightly as she could, she plugged her ears and spoke to drown out Bella's pain. If this didn't merit an R rating, I'd really like to know how much further they'd have to have gone to get it. IMMHO, in no way, shape or form was this worthy of a PG-13 rating.