Comment on

• Effects of natural childbirth preparation versus standard antenatal education on epidural rates, experience of childbirth and parental stress in mothers and fathers: a randomised controlled multicentre trial.

  Bergström M, Kieler H, Waldenström U. Bergström M, et al. BJOG. 2009 Aug;116(9):1167-76. doi: 10.1111/j.1471-0528.2009.02144.x. Epub 2009 May 27. BJOG. 2009. PMID: 19538406 Free PMC article. Clinical Trial.