In the intervention group, training and counseling were provided within the scope of the nursing approach based on Meleis transition theory. In this context, training consisting of three sessions of 100 minutes in total was given and counseling was provided by conducting 3-4 interviews by phone in the following weeks. In the interviews, counseling was provided on the issues that women needed, especially the difficulties they faced in the postpartum period, postpartum depression symptoms, self-care, breastfeeding problems and maternal self-efficacy. In this process, the women were evaluated three times in total, in the first postpartum week (pre-test), two weeks after delivery (post-test 1) and 42nd day (6th week) (post-test 2) with the Breastfeeding Self-Efficacy Scale, Perceived Maternal Self-Efficacy Scale and Edinburgh Postpartum Depression Scale.

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The control group will continue to receive routine care

Training and counseling were provided. In this context, training consisting of three sessions of 100 minutes in total was provided and counseling was provided in the following weeks by conducting 3-4 telephone interviews.

The intervention involves the provision of a training and counseling program designed to increase women's breastfeeding and maternal self-efficacy and reduce the risk of postpartum depression.

In the training phase, women will receive training on postpartum maternal care and premature infant care.

The Edinburgh Postnatal Depression Scale (EPDS), developed by Cox et al. (1987), is a screening tool designed to assess the risk of depression in women during the postnatal period. It is not intended for the diagnosis of depression. The EPDS is a self-report scale consisting of 10 items, rated on a 4-point Likert scale. Responses with four options are scored between 0 and 3, with the lowest possible score being 0 and the highest 30. In the assessment, items 1, 2, and 4 are scored as 0, 1, 2, 3, while items 3, 5, 6, 7, 8, 9, and 10 are scored in reverse as 3, 2, 1, 0.The cutoff point for the EPDS was calculated as 13, and women with scores of 13 or higher were considered at risk.

The Perceived Maternal Self-Efficacy Scale This scale was developed by Barnes and Adamson-Macedo (2007) and its Turkish validity and reliability were examined by Kadiroğlu (2018). The scale assesses the perceived maternal self-efficacy levels of mothers with prematurely born infants hospitalized in a neonatal intensive care unit. The reliability coefficient for mothers of prematurely born infants in the hospital is 0.98. The scale, consisting of 19 items, is rated on a 1 to 4 scale (1=strongly disagree, 2=disagree, 3=agree, 4=strongly agree). Scores obtained are summed to calculate the scale score, ranging from 19 to 76. A higher score indicates a higher perceived maternal self-efficacy level.

Breastfeeding Self-Efficacy Scale for Mothers of Preterm Infants Developed by Wheeler & Dennis (2013), this scale is based on the 14-item 'Breastfeeding Self-Efficacy Scale-Short Form' developed by Dennis (2003) and has undergone Turkish reliability and validity testing by Aluş Tokat et al. (2020). Four additional items related to the breastfeeding of hospitalized and/or preterm infants were included. The resulting modified scale comprises 18 items. The scale, utilized among English-speaking Canadian mothers with hospitalized or premature infants, demonstrated a Cronbach's alpha internal consistency of 0.88 (Wheeler and Dennis, 2013). The scale is a 5-point Likert Type scale, where 1= "Not at all confident" and 5= "Always confident." All items are positively phrased. The minimum and maximum scores that can be obtained from the scale are 18 and 90, respectively. A higher score indicates a higher level of breastfeeding self-efficacy.

The Edinburgh Postnatal Depression Scale (EPDS), developed by Cox et al. (1987), is a

The Perceived Maternal Self-Efficacy Scale This scale was developed by Barnes and Adamson-Macedo (2007) and its Turkish validity and reliability were examined by Kadiroğlu (2018). The scale assesses the perceived maternal self-efficacy levels of mothers with prematurely born infants hospitalized in a neonatal intensive care unit. The reliability coefficient for mothers of prematurely born infants in the hospital is 0.98. The scale, consisting of 19 items, is rated on a 1 to 4 scale (1=strongly disagree, 2=disagree, 3=agree, 4=strongly agree). Scores obtained are summed to calculate the scale score, ranging from 19 to 76. A higher score indicates a higher perceived maternal self-efficacy level.

The Edinburgh Postnatal Depression Scale (EPDS), developed by Cox et al. (1987), is a screening tool designed to assess the risk of depression in women during the postnatal period. It is not intended for the diagnosis of depression. The EPDS is a self-report scale consisting of 10 items, rated on a 4-point Likert scale. Responses with four options are scored between 0 and 3, with the lowest possible score being 0 and the highest 30. In the assessment, items 1, 2, and 4 are scored as 0, 1, 2, 3, while items 3, 5, 6, 7, 8, 9, and 10 are scored in reverse as 3, 2, 1, 0.The cutoff point for the EPDS was calculated as 13, and women with scores of 13 or higher were considered at risk.