Umbilical cord blood holds hematopoietic stem cells to treat blood disorders,...

https://emedicodiary.com/post/2217/from-birth-to-bedside-how-umbilical-cord-stem-cells-are-changing-modern-medicine

Umbilical cord blood holds hematopoietic stem cells to treat blood disorders, while cord tissue provides mesenchymal stem cells for regeneration. You must collect these samples right after delivery to ensure they remain viable for future use.