One song revolves around a man gently seducing a woman, using vague terms like "let's kiss." The song ends with them reclining (clothed) on a bed and kissing.
A later line in the movie hints that Fanny lost her virginity in the scene mentioned above.
In an early musical number ("His Love Makes Me Beautiful") Barbara Streisand appears as a very pregnant bride in a wedding gown. This is played for comedic affect.
In that same musical number, before Streisand makes her appearance, very sexy, cleavage-revealing 1960s style bikinis are worn by numerous chorus girls and the camera lingers on cleavage.