3 year old kids get extremely stressed about surgery and will remember both the period before and the pain afterwards. It can be very traumatizing for them.A 6 month old will have no clue what's happening and won't remember.The available evidence suggests that a one off exposure to a general anaesthetic will not have long term implications for neurodevelopment. However your concerns are very valid and you should discuss it further with your paediatrician.
My pediatric urologist wants to put my child under general anasthetics at 6 monthsI am worried about negative impacts this might have on brain development is it possible to have a successful surgery done at 3 years old instead?