I don't think she will make it to 4 lbs unless she really is UNDERWEIGHT/UNDERFED.
If she has been eating the right amounts and is on a good diet I would say that she is perhaps a very very tiny special girl that will likely remain around the weight she is. 8 1/2 months they are usually at their adult weight.
Did the vet say she is underweight or is she healthy just tiny? |