Thanks TOJ,

No, I don't have any rashes. I think its just the normal pregnancy itchies! I know all about Cholestasis of pregnancy, I work in a NNU and see a lot of new mums who suffer(ed) from it.

Pity my job doesn't let me understand my own body any better!

Thanks for all of your info, I will attempt some of them when next I get an attack!!
I'm currently sitting here at work scratching away, so there is not much I can do about it at this present point in time!