Answer: A Bone Marrow or stem cell transplant
Explanation:
A bone marrow transplant is a medical procedure performed to replace bone marrow that has been damaged or destroyed by; disease, for example: pancytopenia, infection, or chemotherapy.
This procedure involves transplanting blood stem cells to replace damaged bone marrow with healthy stem cells and promote growth of new marrow. This helps your body make enough white blood cells, platelets, or red blood cells to avoid infections, bleeding disorders, or anemia.
Thus, correcting the bone marrow deficiency.
I’m guessing the answer is 4
