Itching 39 weeks - offered induction tonight?

I started having itchy hands and feet just last night. I am exactly 39 weeks. I haven’t had it previously. I had a regular appointment today anyways, so I mentioned it. Immediately, they offered me an induction tonight as I wouldn’t have bloodwork results back very quickly. I only itched for one night - am I crazy for saying I’d rather wait and see if I get the itch again tonight? They said to call if I get it again but that they would recommend induction only on that one report of itching.