Season 1 contains a scene where a man undergoes a sterilization process for an immunodeficiency quarantine good boy. During the process he is initially shown nude from behind with his butt quickly blurred from behind frosted glass, but then a side and top view is shown unhindered, and from the top his penis is visible.
Some people are doing something in the start of season 1 e3.
A woman's buttocks are partially visible in a couple of brief shots.
Loads of jokes or mentions of sex. Nothing too bad tho.
Some kisses and the woman wearing a bikini in s1e11 start of it.
There's chase's nudes in one episode.
Strip clubs are shown sometimes.
Throughout every season there's lots of women, mostly s*x workers wearing only underwear for extended periods of time.
Dr. Cuddy often wears a low-cut top which Dr. House makes crude comments about. Dr. House also makes sexist remarks frequently about female colleagues and females in general.
One episode deals with the topic of rape, as one of House's patients is a victim. No depictions or graphic description of rape is present, but discussions of the after-effects are present.
Several episodes feature patients who are suffering from STDs.