I wanted to add my .02 to the rest about unassisted childbirth ("UC"). Many of these women choose this route and also make a point to "UP"- unassisted pregnancy- where they monitor their blood pressure, baby's position, urine, blood sugar, etc. Most of these women are extremely well-informed and monitor their health and baby's health carefully. It is simply based on the premise that someone is "healthy until proven otherwise" as opposed to the medical prenatal care model that seems more like "there has to be something wrong with you or baby, let's find it!" Although I wouldn't UP/UC I certainly respect those who make the informed decision.
I also second (third? fourth?) the recommendation for Marsden Wagner's
Born in the USA. I was lucky enough to hear him speak at a conference last year and he has a wonderful perspective as a former WHO director. He also expressed his sympathy that I am from Illinois

(a terrible state for healthy birth).
It seems to all boil down to $$$$ and ACOG is no help. They are basically running wild promoting the financial and legal interests of their members (which many OBs choose NOT to be) without regard for women or babies.
Sorry, I am on a pre-coffee rant this morning!