Emerging data suggests pretreatment with stem cells can thicken a thin lining and improve egg maturation, especially in poor responders. It’s not standard care yet, but adjunctive use is growing. I found a clear summary of the biological pathways and patient case studies https://ways2well.com/blog/stem-cells-for-fertility-breakthrough-treatments-for-conception/ that helped me ask the right questions. Timing matters—cells are often administered 4–6 weeks pre-transfer. Discuss with a reproductive immunologist to see if your profile fits.