How much is one day car insurance?

Howmuch might car  insurance  charge to get a 17 year old from allstate in california?
Motor insurance appraisal?
"I'm looking since my spouse into personal medical insurance and that I are attempting to conceive and I don't have any. I know I have to have it BEFORE i become pregnant. I don't know something about insurance and can not appear to uncover any  insurance  firms that provide maternity protection......I benefit a temp firm and also have worked for them for a year and a half and their insurance is massive so I'm hunting on my own. My spouse doesn't have  insurance   and so I can't get it where he operates like a mechanic