Insight
What Should My 9 to 12 Month Old Be Doing?
Bottom Line
Developmental milestones for a 9 to 12-month-old include crawling, standing with support, and beginning to say simple words. According to the American Academy of Pediatrics (AAP), these skills are typical as babies explore their environment and communicate more effectively.
Key Takeaways
- Developmental milestones for a 9 to 12-month-old include crawling, standing with support, and beginning to say simple words. According to the American Academy of Pediatrics (AAP), these skills are typical as babies explore their environment and communicate more effectively.
- Evidence shows that around 90% of babies crawl by 10 months - AAP.
- The AAP recommends encouraging exploration and play to support motor skills.
- Studies indicate speech development starts with simple words around 12 months.
- According to CDC guidelines, babies should show interest in social interaction by 12 months.
- WHO guidelines suggest introducing diverse foods for nutritional balance at this age.
- Research published in Pediatrics shows that consistent routines aid in cognitive development.
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Frequently Asked Questions
What should a 9-month-old be doing?
By 9 months, many babies can sit without support, crawl, and respond to their name. Socially, they might be wary of strangers and show attachment to familiar caregivers.
When do babies typically start walking?
Most babies take their first steps between 9 and 12 months and are walking well by 14 to 15 months, according to the CDC.
How many words should a 12-month-old say?
By 12 months, babies might say one or two simple words, such as 'mama' or 'dada'. The AAP emphasizes that comprehension is more advanced than speech at this age.
Is it normal for a 10-month-old not to crawl?
Yes, some babies skip crawling and go straight to pulling up and walking. If there are concerns about motor development, consulting a pediatrician is advisable.
What foods can a 9 to 12-month-old eat?
WHO guidelines recommend introducing a variety of mashed or chopped foods, including fruits, vegetables, and proteins, while continuing breastfeeding or formula feeding.
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When Should You Talk to a Pediatrician About Missed Milestones?
Talk to a pediatrician whenever your child is missing expected milestones, losing skills, or you feel concerned about development.
Read moreWhen Should Parents Start Tracking Infant Development?
Parents can start tracking infant development from early infancy, using milestones as a guide and contacting a clinician with concerns.
Read moreWhat Behavior and Development Changes Are Common at Age 5?
At age 5, many children show more independence, conversation, rule-following, early learning skills, and coordinated movement.
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Mom AI Agent (2026) What Should My 9 to 12 Month Old Be Doing?. Available at: https://www.momaiagent.com/insight/what-should-my-9-to-12-month-old-be-doing (Accessed: June 3, 2026).💡 Note: This content is curated from official health organization guidelines. For original source citations, see the "Sources" section above.
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