Treatment of Early Infantile-Onset Lysosomal Storage Diseases With Fetal Umbilical Cord Blood (UCB) Transplantation
The purpose of this study is to determine if it is safe to administer unrelated umbilical cord blood to pregnant women in their first trimester of pregnancy with a fetus that has a known diagnosis of certain lysosomal storage diseases. These diseases are known to cause severe and irreversible neurological disability in early infancy and which are lethal in childhood.