I already had a degree before I did midwifery, but wasn't sure if they'd want evidence of more recent study, so I did a sociology A level at evening classes. If you're considering doing an A level and you already have the required maths and english grades, I'd advise you to do something like human biology as it will give you a leg up on the course, the sociology I did was not that relevant (and not that interesting
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You can always ask people here to help with your personal statement - just like your tutors, you can take the advice you are offered or not - it's your personal statement. I've gone through quite a lot of them for people...