Inclusion: Iranian primiparous mother, ≥18 yrs, term singleton, healthy baby >2500g, literate, delivery at Shariati Hospital, willing/able to attend sessions, no breast disease, chronic illness, or addiction.
Exclusion: Unwillingness, infant breastfeeding problems, pregnancy/delivery complications, assisted reproduction, preterm labor risk, multiples, BMI>40, premature or low birth weight (<2500g), ICU admission, HIV/contraindicated drugs, fetal anomalies, high-risk pregnancy, illness preventing breastfeeding, communication or psychiatric issues