Administering stem cell or enzyme therapy in utero may be a path to alleviating some congenital diseases that often result in losing a pregnancy. In mouse studies, transplanted stem cells migrated to proper locations in fetal brain and body, differentiated into cells that produce crucial missing protein.
Full article: UCSF News: In Utero Stem Cell Transplants, Enzyme Replacement May Offer New Treatments for Deadly Metabolic Disorders