You searched for: “sarmassophobia
sarmassophobia (s) (noun) (no plural)
A disgust of lovemaking: The dislike or revulsion of love, play, or seduction, termed sarmassophobia found mostly among women, can cause them emotional or moral sensitivity, discomfort, and distress.

According to Charles Elster, in his There's a Word for It!, "It's curious that there doesn't seem to be a word for this phobia among men".