how much is ya baby weighing at 4 months

She had a doctor appointment on Saturday for her 4 month but she was just over 12 pounds around 3 months

She was born 8 pounds

my son weight 12 pounds and 5 oz and they saying the growing but not weighting the amount he should be

My son was 11 lbs. He's always been in the 2% for height and weight. He's small but proportioned correctly and perfectly healthy. He's following his growth curve so doctor isn't concerned at all. He's 8 months now and is 15 lbs.

14 pounds mines

He was 16lbs, born at 9lbs.

Around 20lbs

how can i make him a lil fatter