IRCT20210524051392N1 IRCT 2021-06-13 Esfahan University of Medical Sciences Breastfeeding pattern The effect of intervention based on the theory of planned behavior on the breastfeeding pattern of mothers with preterm infants hospitalized in selected hospitals in Isfahan in 2021 2021-06-22 anticipated 72 Complete https://irct.ir/trial/56466 interventional Randomization: Randomized, Blinding: Not blinded, Placebo: Not used, Assignment: Parallel, Purpose: Education/Guidance, Randomization description: Participants are divided into two groups of control or intervention based on simple random allocation method. In order to randomize, the researcher will put two samples of cards, which in one page two word “control” and in other page the word “intervention” is written, in a large envelope, and asked participants to choose one of them without observing the cards in the envelope, which is determined according to the selected order of the participants participating in the test or control group. N/A Breastfeeding pattern. Intervention 1: Intervention group: Holding 4 session that it takes about 60-90 minutes and they include: expressing the positive consequences of breastfeeding and playing an educational video on proper breastfeeding, training on breastfeeding ability and holding sessions based on gaining the support of others in breastfeeding, training on barriers to breastfeeding and solving problems in this regard. Intervention 2: Control group: Receive routine care and training by the researcher. 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 Its release schedule is not yet known.