A Study to Evaluate the Effectiveness of Self-Instructional Module Regarding Expression and Storage of Breast Milk among Working Mothers at Semmanichettipalayam Coimbatore.

Introduction: Breast milk is the optimal food for infants, supporting their physical and emotional development. Breastfeeding should begin within an hour of birth.

Study objectives: a) Assess knowledge of breast milk expression and storage among working mothers. b) Evaluate practices related to expression and storage. c) Provide a self-instructional module on expressed breast milk. d) Measure the module's effectiveness. e) Analyze the association between knowledge, practice, and selected demographic variables.

Methodology: An experimental study with 40 working mothers selected via convenience sampling. A structured questionnaire assessed knowledge and practices.

Results: Descriptive statistics were used, yielding a "t" value of 9.35. Over 15 days, questionnaires were administered to 3 participants daily, with posttests and the instructional module provided after 15 days.

Conclusion: The study showed a significant improvement in knowledge and practices after the self-instructional module was provided.