"Simply put, when there is no home birth in a society, or when home birth is driven completely underground, essential knowledge of women’s capacities in birth is lost to the people of that society"— Ina May Gaskin
Although I don't agree philosophically with everything that Ina May Gaskin says and does, I still believe that she is the foremost authority on Natural Childbirth. Here is a link to her website. If you are interested in pursuing a Natural Birth, please begin here.
Please check out the following links:
The Bradley Method - Husband Coached Childbirth
La Leche League
DONA International - (Doulas Of North America)