There is a scene of a woman giving birth
There are implications of coitus and/or fornication between Donna, Harry, Sam and Bill.
A woman chastises a man for his wandering eye and restless groin.
At the beginning a woman says "be still my vagina" when meeting a man introduced by the main character.
Like in the original film, the song "Dancing Queen" contains the lyrics: "You're a teaser, you turn 'em on."
A few ABBA songs have suggestive lyrics, i.e. "When I Kissed the Teacher" and "Why Did It Have to Be Me?"