15 pounds for a 6 month old baby is normal. However, if the baby is born prematurely, the gestational age needs to be corrected to the due date. The normal weight range for a 6-month-old baby is between 7.68-9.56kg, and 15 pounds is normal within the normal weight range. However, when the baby’s weight is near the lower end of the normal weight range, parents need to pay close attention to the baby’s future development. In addition, the baby’s weight needs to be judged in conjunction with the length of the body and its own growth trend for a little more reference. The baby’s weight is affected by the nutritional status, sleep condition, etc. Within 6 months of the conditions of the general for exclusive breastfeeding, the nutritional status of pregnant mothers will affect the growth and development of the baby, in addition, the baby’s diet after birth, sleep time also affects the growth and development of the situation, you can create a good sleep environment for the baby.