Umbilical cord blood holds hematopoietic stem cells for treating blood...

https://bizzmarkblog.com/why-do-clinicians-say-stored-cells-still-need-case-by-case-assessment/

Umbilical cord blood holds hematopoietic stem cells for treating blood disorders, while cord tissue provides mesenchymal stem cells for regeneration. Since these cells degrade quickly, staff must collect them immediately after delivery.