The phrase "sex relations" is correct and usable in written English.
You could use this phrase in the context of discussing intimate relationships between two people. For example, "The couple had an open and honest discussion about their sex relations."
The problem with modern society is that there is no proper context for forming authentic sex relations.
Back in Britain Jaffrey played the über-capitalist uncle Nasser in My Beautiful Launderette, study of race and sex relations in Thatcherite south London.
Similarly, resilience was not a predictor of any sexual risk behaviors in anal sex: consistency of condom use in anal sex relations in the previous 2 months (F (5, 52) = 1.37; p = 0.25), age at first anal sex relations (F (5, 113) = 0.59; p = 0.70), and number of anal sex partners during lifetime (F (5, 84) = 0.41; p = 0.84) and in the previous 2 months (F (5, 67) = 0.87; p = 0.50).
Did he become a different kind of person because he had same sex relations?
In Africa where kinship systems create the social order and tradition has greater authority than law, same sex relations are condemned "because they are not our tradition".
"Pick-up acquaintances often take girls autoriding, to cafes, and to theaters, with the intention of leading them into sex relations.
No Turkish law bans same-sex relations.
Opposite-sex relations are already heavily regulated by the university.
Israel legalised same-sex relations between men in 1988.
As the archbishop implied, the split is mainly but not purely over same-sex relations.
The ancient passages that denounce same-sex relations also denounce eating shellfish and trimming one's beard.
