No nudity.
The words "sex", "obstetrician", "sexy" and similar words are said a few times, but it's a TV film so the language is limited.
Dierdre's parents say that they have to "behave" (not have sex) for reasons revolving around Dierdre's illness.
Two kids lie on the beach holding hands, but it's an innocent scene, except for when Philip says "I wanna keep my clothes on" and "I hope sex is as nice as this!".
Eugene stands over Ruth in bed, implying that they're about to have sex, but at the last minute he leaves.
A boy tells a girl dressed like an old woman that she looks sexy.
Dierdre lies in bed with her shirt partially unbuttoned so a doctor can listen to her heart.
Dierdre tells her mom that it'd be nice to be 25 and have a secret fling with a married man.