I'm currently reading a books kindly lent to me by Make Tea Not War - Misconceptions by Naomi Wolf.
Misconceptions is like an antidote to all the many, many preganancy books which aim to reassure. In fact, in the two and a half chapters I've read so far, the stuff Wolf describes is pretty alarming. She talks about how pregnant women in the States are subjected to medical practices which are geared toward (i) increasing billable costs and (ii) covering the practitioner's arses as much as possible, by pushing expensive tests and witholding information.
It doesn't sound anything like the treatment I've gotten so far. If this book is to be believed, then I'm glad that our taxpayer-subsidised healthcare is ridiculously cost-conscious (not to mention the fact that it's really hard to sue anyone in NZ). I don't think there's much chance of unnecessary procedures being performed on me if no-one stands to make any money out of it.