Infant & Toddler, Partners & Parents

9 to 12 Months – What to Expect

Your baby is almost a year old! You are now a pro and probably ready for the next one.

The little one is growing fast, eating solids and hopefully sleeping through the night.

Here is a quick overview of what you can expect by your baby’s first birthday!

Feeding (Breast or Formula Milk)

Similar to 6 to 9 months, by the age of a year, your baby should drink 7-8 ounces of milk over the course of about 4 bottles.

They will also be eating solid foods 2-3 times per day. Consult your doctor for more details on introduction of solids.

Sleep

By the age of 1, your baby will need 2 naps per day ranging from 1-2 hours per nap. They should go down for the night between 7pm and 8pm and sleep for 10-12 hours per night. Total daily hours of sleep should be between 12-14 hours.

Growth

Baby boys and baby girls grow at different paces. According to the World Health Organization, by 1 year expect:

Your baby girl to be about 74 CMS long, weight 9 KGS and have a head circumference measurement of 45 CMS.

Your baby boy to be about 76 CMS long, weight 9.6 KGS and have a head circumference measurement of 46 CMS.

Developmental Milestones

According to the CDC, by 1 year, your baby should be able to:

  • Is shy or nervous with strangers.
  • Cries when a parent leaves.
  • Has favorite things and people.
  • Hands you a book when they want to hear a story.
  • Repeats sounds or actions to get attention.
  • Responds to simple spoken requests.
  • Says “mama” and “dada”.
  • Uses simple gestures, like shaking head “no” or waving “bye-bye”.

If you are looking for guidance on Helping Your Baby's Growth & Development or for more information on First Year Baby Development Concerns.

Remember that all babies are different, and the information presented here is based on approximates and ideals. Always consult with a qualified medical professional or childcare expert when taking important decisions regarding your child and their health.


Impress your partner with key facts, take better co-parenting decisions and be 'in the know'. Visit our Partners & Parents resource center for more.

Related:

Are Baby Walkers Safe?

Should I Use Silver Utensils to Feed My Baby?

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