Kamar Se Pani Nikalna Safe Hai? Lumbar Puncture (Spinal Tap) in Children [Urdu]

Aksar maa baap ghabra jaate hain jab unke bachey gardan tor bukhar (brain fever/meningitis) mein hotay hain aur doctor spinal tap ya lumbar puncture recommend karta hai. Kya yeh test safe hai? Ya isme koi risk hai jaise paralysis?