The experiences of trained breastfeeding support providers that influence how breastfeeding support is practised: A protocol for a qualitative evidence synthesis.

Background Many women stop breastfeeding before they intend to as they cannot overcome breastfeeding difficulties. Breastfeeding support, as an evidence-based intervention by trained lay or professional breastfeeding support providers, can prevent early unintended cessation. Yet some women report dissatisfaction with support and reluctantly stop breastfeeding despite receiving this intervention. Understanding the experiences which shape how support is provided can inform effective implementation of breastfeeding support interventions. This review aims to synthesise experiences of trained breastfeeding support providers in high income settings and how these may influence their breastfeeding support practices. Methods A qualitative systematic review of trained breastfeeding supporters' experiences of supporting women to breastfeed, as part of a generic healthcare role or focused breastfeeding support role, will be conducted. A systematic search will be performed of the databases: Cumulative Index to Nursing and Allied Health Literature (CINAHL +), MEDLINE ALL, Maternity and Infant Care, EMBASE, APA PsycINFO, Web of Science and Scopus. Title and abstract screening using eligibility criteria will be conducted using Covidence software. Eligible papers will be agreed by the review team following full text screening and reported using PRISMA guidelines. CASP and COREQ tools will assess study methodological quality and quality of reporting. Data will be extracted using a bespoke form and coded, using Excel software for data management. Analysis will involve the three stages of thematic synthesis: initial free coding, development of descriptive and subsequent analytical themes. Confidence in findings will be assessed using the CERQual framework. Discussion This review is the first to date to synthesise qualitative evidence on experiences which influence how trained lay and professional providers support women with breastfeeding. Findings will enable deeper understanding of the underpinning mechanisms of breastfeeding support provision and inform the development of tailored interventions to improve breastfeeding rates. Systematic review registration PROSPERO registration number: CRD42020207380.