Bella is shown in just bra and underwear and lingerie on multiple occasions

Bella and Edward Kiss in Many Scenes.

Couples are seen Hugging in a Beach.

Bella wakes up covered in feathers (which implies the sex last night).

In a flashback (in the same scene as the line above), Bella and Edward are seen naked in bed, kissing, etc.

Jessica Jokes Bella Might be Pregnant before Marriage.

The couple on their honeymoon go skinny dipping in the ocean. Carefully placed arms on a side view obscure any real nudity as they start thrusting in the water (partial nudity is shown). Later, they appear in bed with more thrusting but no real nudity. Scenes fade in and out of them doing non sexual things and back to more thrusting. No actual nudity is ever shown other than bare backs and side views.

Flashback of Edward killing multiple serial killers by biting their necks

Bella's dream sequence where many people including her family and friends are shown dead and covered in blood. She herself is covered in blood and it is implied Edward killed them and the couple is standing on a pile of the deceased.

Bella drinks blood poured in a cup and finds it tasty.

Bella's stomach is seen covered in bruises

Some Insults and Name Calling.

Morphine used during operation. Song lyrics promote Morphine use.

People are shown Drinking in a wedding

This is the most intense movie of the franchise.

Frightening pictures of a vampire baby is shown in a computer.

Flashing images and red frames doing the birthing scene could affect those sensitive to those effects.