Not many sex scenes are actually shown, but are talked about by the people who committed them. Nudity isn't shown much, and is brief when shown.
Several sex scenes throughout the series' run. Some graphic, some tamer. There's also very frequent graphic sexual discussion, including using the f-word in a sexual context and using crude and technical terms to describe sexual acts (both criminal acts and non-criminal acts), including necrophilia, lust murder, incest, and necrophilic incest. Crude sexual dialogue is also said during sex scenes.
Incarcerated criminals describe sexual crimes in detail
There is a sexual intercourse scene. Male buttocks and female breasts are shown for a few seconds.
Contains a lot of very disturbing and strong language about sexual actions, most of it done and spoken by sex offenders.
Necrophiliacs described in detail sexual things they did with corpses
Some of the profanity is used in sexual context
Season 2: No female nudity throughout entire season. Few intimate scenes between two female lovers, some kissing, nothing much else. Final episode contains male nudity, buttocks only, scene is non-sexual.
The sex scenes are not too common, but there are more than two sex scenes in the show, as a previous entry once stated.
First episode had Male nudity from afar you can't really see anything that bad.
Pretty much every sexual topic is referenced in the show, including oral, anal, intercourse, rape, incest, necrophilia, perversions, etc. mostly referring to sexual crimes.
Keep in mind that the sexual content is fairly infrequent, and the sexual dialogue is mostly about crimes that perverted criminals committed. Most visual sexual scenes aren't very graphic, and there are only a few graphic scenes in the show.
Man is seen showering through a glass, partial nudity, but nothing explicit
Sex scenes with female breasts and male buttocks in season 1 multiple times.