I have a little guy and I have him wear a bell at ALL times - it's just too dangerous for him otherwise. Marcel was the same weight at 4 mths - he is now 11 mths and is 2 lbs. 12 oz. and probably won't gain anymore.
You have to REALLY be careful (at this age/wt) about her being on couches, chairs, beds - a fall could kill her at this point. Just be cautious.
Congrats - she is ADORABLE. More pics please!
