... of Campinas (CEMICAMP), São Paulo, Brazil and 4State Hospital of Sumare, University of Campinas, São Paulo, BrazilEmail: Odalea M Bruggemann - odalea@nfr.ufsc.br; Mary A Parpinelli - parpinelli@caism.unicamp.br; ... trial Odalea M Bruggemann1,2, Mary A Parpinelli2, Maria JD Osis3, Jose G Cecatti*2,3 and Antonio S Carvalhinho Neto4Address: 1Department of Nursing, Federal University of Santa Catarina, ... of analgesia/anesthesia, and in thefrequency of instrumental vaginal delivery (forceps andvacuum extraction) and Caesarean section [3].Based on scientific evidence, the World Health Organiza-tion...