The nurse-midwives were informed about which group control or experimental the woman was allocated by the researcher when the woman was in the expulsive period.
Las enfermeras obstétricas fueron informadas por la investigadora sobre en cual grupo control o experimental la parturienta sería colocada cuando estuviese en el período de expulsión.
As enfermeiras obstétricas foram informadas pela pesquisadora sobre em qual grupo controle ou experimental a parturiente seria alocada quando estivesse no período expulsivo.