Both my dd had theres pierced when they were 6 mths and they didnt say a word,

I had mine done when i was 2mths old my mum told me that was the usual age in isreal(where i was born)

But i did it for them because it looks cute and i have had no problems at all,they are studs so they dont pull at them or get things caught in them,they dont even notice them there.

but everyone makes diffrent choices