The Millstone by Margaret Drabble is a novel published in 1965 about a flat-dwelling girl in her early 20s living and working in London in the decade which swung.
She goes out on dates and has a good social life. She goes to pubs and parties, she hangs out in Soho and West End restaurants, she has a ‘bessie mate’ with whom she has deep and meaningfuls over a bottle of wine. She has sex (once) and she gets pregnant.