11. For years, pregnant women's choice has been synonymous with the most natural childbirth possible. 12. Natural childbirth , drug-free in all its pain and glory, may be losing its cachet.13. Japanese women strongly believe in natural childbirth ( Yeo et al . 2000 ). 14. But what doctors call progress saddens those who favor natural childbirth or childbirth without anesthesia. 15. In 1956 the UK Natural Childbirth Association, now called the National Childbirth Trust, was founded. 16. Iwas passionate about natural childbirth and breast feeding when I was having babies in the'60s. 17. It is a revolution, they said, akin to that of the natural childbirth movement of the'70s. 18. Reed coined the term " natural childbirth , " and said that the mind-body connection would ease labor. 19. It is unlikely she will survive a natural childbirth , and the nearest hospital is two hours away. 20. They drive cars to natural childbirth classes.