Fig. 1From: Oxytocin levels in low-risk primiparas following breast stimulation for spontaneous onset of labor: a quasi-experimental studyFlow diagram of participants. N: number of participants; n: number of subjects allocated to each group. The participants were not randomly placed into 2 groups. The first half of the participants was assigned to the control group and completed the intervention first. The last half was assigned to the intervention group and completed the intervention after the control group had finishedBack to article page