Short sex scenes with a little bit of nudity.

A couple makes out and removes their shirts. She's still wearing her bra. They stop and argue about birth control and then continue. Scene ends. Presumably they have sex. Not shown, no nudity.

A couple is shown having sex with guy on top moving and sweaty. His butt is visible. Her leads are spread but she is mostly covered by him.

A girl gets out of bed wearing only a top. Her butt is visible. She's showing going to the bathroom and disposing of a condom.

A couple is shown lying in bed together, presumably naked, with sheet covering from waist down. Most of her back and side are shown but breasts mostly covered by the blanket.