Recovery from a bone marrow transplant is a complex and lengthy process that varies from person to person. However, here's a general overview:

Engraftment is a process when the transplanted stem cells begin to grow and produce new blood cells. It typically occurs within 2-4 weeks after the transplant. This is a crucial milestone, and patients are closely monitored during this time.

Initial Recovery (First 100 Days) period is critical for monitoring and managing potential complications, such as infections and graft-versus-host disease (GVHD). Patients often require frequent clinic visits, blood tests, and medications. Precautions to avoid infections are extremely important during this time.

Extended Recovery (Up to 1 Year or Longer) period the immune system gradually recovers over this period. Patients may experience fatigue, weakness, and other side effects. Ongoing monitoring and follow-up care are essential. Full immune system recovery can take up to a year, or even longer.

Even after the first year, patients will need to continue with follow up care. There is a possibility of late onset complications. Some factors affect the recovery time of BMT such as type of transplant (autologous or allogeneic), patient's overall health, presence of complications, individual response to treatment. 

For more information visit the official site:: https://www.edhacare.com/treatments/organ-transplant/bone-marrow 

https://sites.google.com/view/bmt-bone-marrow-transplant/home 

https://bone-marrow-transplant.weebly.com/ 

https://bone-marrow-transplant.mystrikingly.com/