Also-
There's much more to be learned in university than the subjects you study.
Self care, financial responsibility, getting along with others, keeping exposure to problems with money and personal safety to a minimum, finding a balance between work and play, time management, sticking up for yourself and developing your values are all part of it.
Don't hamper those elements of her development or treat her as a juvenile who couldn't get through a week without your input. Learning from your mistakes is important.
It's also important to keep a sense of perspective. Anyone could end up dead any time, and for women the prospect of rape really isn't something we have control over. Be careful you don't imply if you're talking to her that getting raped would be (1) the end of the world for her, or (2) her fault for not being careful. That sort of speech can alienate young women.
Make sure your fears of something extraordinary happening (death, for example) don't get the better of you, and don't express them to her, or your sensible advice will be dismissed as, "Mum is at it again." Don't be the mum who cried wolf, in other words.