It's also possible that the woman you know is, for predominantly genetic or personality reasons, highly sexed and sociosexually unrestricted, and her parents' efforts at best delayed some matters. There's a line of thinking, articulated in Bryan Caplan's
Selfish Reasons to Have More Kids and elsewhere, that a large component of personality is innate and parents spend way too much time trying to micro-shape their kids.
There is an interesting writer and tweeter named Aella: https://knowingless.com/ who has described at length how she was born into a fundamentalist Christian family, found herself doing work she hated in a factory at 19, and escaped it via nude camming and then sex work (both of which she likes a lot, relative to alternatives). She's tweeted about how her mom appears to LOVE the trad Christian life, and how Aella and some of her siblings hate it. Who is "right?" Maybe no one: people's personal propensities and desires vary in many ways that appear to be genetic in origin, even if their expressions may change across cultures, and this may also include in matters of sex.
There are lots of pseudo-Freudian theories about how the way one is raised affects one's adolescent and adult sex life but I'm not sure any of those theories are true.