awatched I got my ears pierced at 16 years old, and after about 6 months I got a bit of inflamation in one of the holes. 3 weeks later I was in intensive care with endocarditis, a bacterial infection of my heart that was cased by the skin infection around my piercing getting into my blood stream.
It took me 6 weeks to get out of hospital and believe it or not that made me lucky, because the infection responded really well to the first antibiotics they tried.
That was 23 years ago now, and I still have a regurgitating valve in my heart due to the destruction caused by the infection. In spite of the fact I haven't worn ear rings since being hospitalised, I still have obvious holes in my ear lobes and they still flair up every once in while, just to scare the crap out of me.
Was I unlucky? yes, very. Am I glad that all happened to me while I was a fit strong teenager rather than a baby...well obviously yes, as I would very likely have died.
Making decisions for your baby around health is one thing. Making assumptions about what they will find aesthetically pleasing is quite another.
I would beg you to reconsider if you have have to decide again. I can't imagine how my mother felt having supported the decision that nearly cost me my life, and she did that when I was of an age to be legally responsible. If it had happened when I was baby, and because of her decision not mine, I don't think she could have lived with it.