By now, your baby is happily crawling or scooting across the room, sometimes at speeds that make leaving delicate objects on the floor a dangerous idea.

Your baby may even have taken some tentative steps. But if your infant still hasn’t crawled or cannot sit up unassisted, you may want to talk with your pediatrician about his or her developmental milestones.

Below is a list of red flags to know about your child’s development. Contact your child’s doctor or nurse if you see these signs of possible developmental delay, especially if you see your child regress in skills or development.

It is important to remember that this is not a definitive list, and babies develop according to their own schedules. If your child has not reached a particular milestone, there may be nothing to be concerned about, but it’s a good idea to make an appointment.

Age 8-12 months
Your baby may be able to:You may want to talk to a healthcare professional if your baby:
Pull to standCannot bear weight on legs with support
Get into a sitting positionDoesn't sit
Make a lot of different sounds like "mamamama" and "bababababa"Doesn't babble ("mama," "baba," "dada")
Play peek-a-booDoesn't play any back-and-forth games
Recognize and respond to a nameDoesn't respond to or seem to recognize own name
Cling to familiar adultsDoesn't seem to recognize familiar people
Point at things with fingersDoesn't point to show things to others
Begin to use objects correctly, such as a cup or brushDoesn't know what familiar things are for
Copy sounds and gestures of othersDoesn't copy others
Say "mama," "dada"and exclamations like "uh-oh!"Doesn't gain new words
Show favoritism towards things and peopleDoesn't notice or mind when a caregiver leaves or returns
Find hidden items easilyCannot find hidden items
Explore objects in different ways, like banging or throwingDoesn't show interest in how things react; for instance, throwing a cup to the ground

Reviewed by Dr. Sara Connolly, August 2019

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  1. Centers for Disease Control and Prevention. Important Milestones: Your Baby By Nine Months.
  2. National Institutes of Health. Developmental Milestone Records.


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