IRCT2014061410804N3 IRCT 2016-06-20 Ahvaz Jundishapur University of Medical Sciences Effect of self-efficacy promoting strategies on breast-feeding behavior The effect of self-efficacy promoting strategies on breast-feeding behavior among nulliparous women 2014-11-04 anticipated 120 Complete https://irct.ir/trial/11214 interventional Randomization: Randomized, Blinding: Not blinded, Placebo: Not used, Assignment: Parallel, Purpose: Supportive. N/A breastfeeding self efficacy. Intervention 1: Participants in the Intervention group will be received two training sessions by the researcher. Each session will be lasted for 60 minutes. In the first session, educational content based on the learning objectives and self-efficacy theory will be presented by the researcher and women were free to ask their questions. And at the second session, the intervention group will be received a graphical training package. It contains 10 cards with emotional trigger words and phrases for breastfeeding. Also by the end of the study (8 weeks after giving birth), to encourage mothers to breastfeed, two massages per week using the Short Message Service will be sent each week by the researcher. Intervention 2: The control group only will be received routine prenatal and postnatal cares.