Check out the First part of this article (click) on using natural methods in preparing the body for conception and pregnancy.
for more info

http://www.maternalinstinctdoulaservice.com/red-tent/how-to-create-a-red-tent/

This is a good guide for the pregnant Mom. It discusses nutrition, a birthing plan and much more....

http://www.mothering.com/community/a/new-mama-survival-guide-simple-tips-for-going-natural?