Hayley, if you are concerned about her weight bear in mind you have to take it into account with her height as well. A baby that is in the 97th percentile for height would be underweight if they weren't at about the same level for weight.

It is possible to overfeed a baby (even bfing), but difficult. My cousin overfeeds her baby girl by popping her on the bb every time she squeaks (doesn't want her child to cry EVER). You should see the rolls she has - it's unbelievable!