PUMPED Projekt publications

Publications

  • Theurich, MA. & Kar, E. (2026) Applying the Evidence Pyramid to Breastfeeding and Lactation Research. Journal of Human Lactation doi: 10.1177/08903344251406587
  • Fischer, L., Espinosa Daudí, A., Zelalem T. H., Theurich, MA. (2026) Trends in Breast Pump Prescription Claims: A Nationwide Population-Based Study of Outpatient Statutory Health Insurance Billing Data in Germany, 2011–2024. medRxiv 2026.02.13.26345532 doi.org/10.64898/2026.02.13.26345532
  • Theurich, MA., Gencel-Augusto, J., Butler, MS., Fischer, L., Haile, ZT. , Chetwynd, E. (2025) Breastfeeding Measurement – How Do We Define and Measure Breastfeeding Cessation Across Scientific Disciplines?. Journal of Human Lactation. 41(4):467-476. doi:10.1177/08903344251382505
  • Fischer, L., Okanmelu E., Theurich, MA. (2025) Call to include breastfeeding as a synergistic approach to vaccines for prevention of respiratory syncytial virus disease. International Breastfeeding Journal. doi: 10.1186/s13006-025-00705-9
  • Theurich, MA., Fischer, L., Gencel-Augusto, J., Chetwynd, E. (2025) Breastfeeding Measurement—What Does It Mean to “Wean?”. Journal of Human Lactation. doi:10.1177/08903344251320034
  • Theurich, MA., Strobl, F., & Ziebart, M. (2024) National survey of infant feeding bottles in Germany: Their characteristics and marketing claims. Matern Child Nutr. 20:e13632. https://doi.org/10.1111/mcn.13632

Study Protocols

  • Konradt, S., Stegemann, T., Theurich, MA. (2026) Retrospective Systematic Content and Policy Analysis of Breast Milk Substitute Marketing on Instagram in Germany. Open Science Framework. Available: osf.io/mh3u4/files/5aszd
  • Shcherbatiuk, K., Theurich, MA. (2026) Period prevalence of breastfeeding difficulties (2015-2024) in Germany using national statutory health insurance claims data: A Study Protocol. Available: https://osf.io/r8xaj/files/ft7ay
  • Berg, N, Strobl, F., Ziebart, M., Rehfuess, E. & Theurich, M.A. (2024) Study protocol for a cross-sectional survey and cost analysis of personal-use electric breast pumps sold in Germany. Open Science Framework. Available: https://osf.io/r7sgq

Upcoming!

  • Gencel-Augusto, J., Theurich, MA., A cross-sectional survey and cost analysis of personal-use electric breast pumps sold in Germany. (upcoming in 2026).
  • Konradt, S., et al., Retrospective Systematic Content and Policy Analysis of Breast Milk Substitute Marketing on Instagram in Germany.(upcoming in 2026)
  • Stegemann, T., Theurich, MA., Digital marketing of breast pumps to mothers: a qualitative thematic analysis. (upcoming 2026)
  • Shcherbatiuk, K., Theurich, MA., Period prevalence of breastfeeding difficulties (2015-2024) in Germany using national statutory health insurance claims data. (upcoming 2026)
  • Shcherbatiuk, K., Theurich, MA., Coding breastfeeding difficulties: a current global challenge for clinical care, research, and health system financing. (upcoming 2026)
  • The International Society for Research in Human Milk and Lactation (2026) Maternal Child Nutrition. (in press)