IRCT20181104041545N1 IRCT 2019-03-09 Ghoum University of Medical Sciences ٍExclusive breastfeeding The survey on impact of educational intervention on exclusive breastfeeding in primiparous women based on Theory of Planned Behavior 2017-10-19 anticipated 150 Complete https://irct.ir/trial/35020 interventional Randomization: Randomized, Blinding: Not blinded, Placebo: Not used, Assignment: Parallel, Purpose: Education/Guidance, Randomization description: There were 150 pregnant women who had criteria for entering the study; according to the list of apple systems, they were randomly assigned to intervention and control groups.The first 75 people are in the control group and the next 75 people are in the intervention group.We call the people to come to the health center and complete the breastfeeding exclusive breastfeeding questionnaire. N/A Exclusive breastfeeding. Intervention 1: Intervention group: Holding four 90-minute sessions include breastfeeding benefits, how to brew and breed mother's milk, compounds and changes of mother's milk, lactating mother's diet, the correct method of lactating, Common problems in breastfeeding and provide the right solution. Intervention 2: Control group: Get routine care by health center staff. Undecided - It is not yet known if there will be a plan to make this available Justification or reason for indecision in sharing IPD is The study is ongoing.