Jackson is 4 months old today!  He weighs 16 lbs, 13 oz & 26.5”.  He’s a solid chunk ‘o TALL baby.  Here’s a comparison:

2 months old
13 lbs, 12 oz (82%)
23.5 in. (73%)

4 months old 
16 lbs, 13 oz; 77% (I’m gonna place bets on somewhere around 18 lbs)
26.5”; 95% (betting on 25ish”)

Growth Charts:
 

Current Developmental Milestones:

• Still really smiley
• Laughs more and more often
• Has started getting “scared” sometimes – at people or sudden noises, events
• Is close to being able to sit unsupported (he kind of leans forward, but holds himself up with his hands)
• Holds head and chest up well and for lengthy periods when on tummy time
• Easily grabs and holds objects, and can bring them to his mouth
• Notices feet & grabs / holds them when laying on his back (which is why we had to remove the mobile from his crib…somehow he pulled it down with his feet!)
• Stands and plays in the stationary entertainer (can turn himself 360) & jumperoo
• Sleeps through the night (11-12 hours straight) & usually naps well (2-3 45 min – 1.5 hr naps)