Dr Maria K checked and updated on information she has looked up:
Hospital for Sick Children, Great Ormond Street – site and information leaflet

• Bone marrow biopsy is of 3 types
• GA is usually given and is not done under local anaesthetic
• Generally taken from hipbone
• Types of cells are checked

Visit GOS website and look up parent leaflets – generally adequate information for exam.
Read Gillick competent / Fraser competent
Thank you Maria.
Anil Garg