What to know
View photos and videos of developmental milestones that most babies do by six months of age. Milestones are listed by area of child development.
Social/Emotional
Knows familiar people

Likes to look at self in a mirror

Laughs
The baby in this video is laughing, a 6-month social/emotional milestone.
Language/Communication
Takes turns making sounds with you
The baby in this video is taking turns making sounds with her dad, a 6-month language/communication milestone.
Blows “raspberries” (sticks tongue out and blows)
The baby in this video is blowing "raspberries", a 6-month language/communication milestone.
Makes squealing noises
The baby in this video is making squealing noises, a 6-month language/communication milestone.
Cognitive
Puts things in her mouth to explore them

Reaches to grab a toy she wants

Closes lips to show she doesn’t want more food
The baby in this video is closing her lips to show that she doesn't want more food as her mom feeds her, a 6-month cognitive milestone.
Movement/Physical
Rolls from tummy to back
6-month-old rolls from his stomach to his back, then back to his stomach again
Pushes up with straight arms when on tummy

Leans on hands to support herself when sitting
