Baby growth

Would need advice if weight and head grow too fast,needed concern? Baby on formula, 120ml ( every 2.5-3hr) #advicepls #firstbaby #1stimemom 2mth weight 6.3kg(50%) Head : 40.3cm(50%) 4mth old weight 8.38kg(97%) Occipito frontal circumference :43.4cm (90%)