系呀水怪, your bb eatting too much la... my bb is eatting A+, i give him 4oz for every 3 hrs, he is now 10lbs, and full month today. but bb seems 永遠吃唔飽 and always crying for milk.
so, i have check with A+'s hotline, according to nurse, 4 oz is enough, and if i give bb 4.5oz per meal, i had to wait for 4 hrs/meal.
your bb only 13days, around 2.5-3oz is enough ga la.