Intrauterine administration of bone marrow stem/progenitor cells to a woman with thin endometrium refractory to estrogen stimulation regenerated her endometrium sufficiently to support a pregnancy. Or was it local endometrial damage induced by concurrent curettage that stimulated endogenous endometrial stem/progenitor cells into action? Or both?
Keywords: Adult stem cells; Asherman's syndrome; bone marrow; endometrial stem cells; endometrium; regeneration; transplant.