The pregnant women included in the sample were informed about the study and their written informed consent was obtained. Six interviews were conducted with the pregnant women, four at one-week intervals before birth, and one on the tenth day and sixth week after birth. These interviews were conducted with the women one-on-one and face-to-face. psychoeducation program was applied to the women in the intervention group in six interviews.In the first interview, the psychoeducation intervention program booklet based on the Watson Model for postpartum care was given to the women and the interview was conducted within the scope of the program. The psychoeducation intervention program sessions based on the Watson Model for postpartum care in the study were conducted according to the WİBM improvement processes and psychoeducation techniques. The interviews lasted between 90 and 120 minutes on average.

The pregnant women included in the sample were informed about the study and their written informed consent was obtained. Six interviews were conducted with the pregnant women, four at one-week intervals before birth, and one on the tenth day and sixth week after birth. These interviews were conducted with the women one-on-one and face-to-face.Women in the control group were not given any treatment other than routine care at family health centers. In routine care, pregnant women were subjected to edema, varicose veins, weight, blood pressure, pulse, laboratory findings, baby heart sounds, medication intake, chronic disease follow-up and vaccination. Pregnant women were provided with counseling if they had any questions. Postpartum women were subjected to blood pressure, fever, pulse, bleeding and laboratory findings follow-up and were provided with counseling if they had any questions.

Psychoeducation Program was composed of nine basic topics (postpartum period and care, adaptation to the role of motherhood and mother-infant bonding, postpartum psychological changes, frequency, causes, symptoms of PPD, effects on mother, child and community health, diagnosis and treatment, preventive practices, social support and suggestions for coping, breast milk and breastfeeding, breast care and practices, nutrition and baby care).

The scale consists of a total of 20 items. The scale is a 5-point Likert type. The lowest score that can be obtained from the scale is 20 and the highest score is 100. An increase in the score obtained from the scale indicates that the perception of breastfeeding self-efficacy has increased.

It is a 10-item self-report scale that measures maternal depressive symptoms over the past seven days. Higher scores reflect more depressive symptoms. Symptoms are rated on a 4-point Likert scale with scores ranging from 0 to 30. The cut-off score of the scale was determined as ≥13. If the total score of the scale is 12 or less, the participant is not at risk for PPD, but if he scores 13 or more, he is at risk.

Breastfeeding Self-efficacy Short Form is a 5-point Likert-type scale. The lowest score that can be obtained from the scale is 14 and the highest score is 70. A higher score indicates higher breastfeeding self-efficacy.

The form created to determine the socio-demographic characteristics of the individuals included in the research was prepared by the researcher in line with the literature.