FermatsTheorem explained it better than I can; private companies will step in to 'save' the NHS. There will be drastic changes as a consequence.
If sexual health services have been passed to councils, that makes contraception and abortion a political issue rather than a health issue. As in the US, where abortion rights are constantly under attack, and your ability to access contraception and abortion depends on which state you live in.
J4nice Your silly comment reveals your ignorance of female biology and health. Women in monogamous relationships need contraception.
Some STD's such as thrush or herpes have nothing to do with how many partners you have. And sometimes, partners are unfaithful.