Infant Development: 5 Month Milestones

Your little one is 5 months and everything in sight is mouth-worthy. By now your baby is probably actively going for toys and putting everything from toys to toes into his mouth. Here are some other things your baby may be doing this month:

  • First signs of teething begins
  • Holds head steady when sitting or in upright position055
  • Watches objects when they fall or are dropped
  • Smiles at himself in the mirror
  • Objects to having a toy taken away
  • Able to distinguish difference between family and strangers
  • Discovers other body parts (such as hands, feet, ears, and boys . . .)
  • Rolls from stomach to back


Other Things Your Baby May Be Doing

Some babies advance more quickly in infant development than others. Your baby may possibly be doing any of the following:

  • Sit without support
  • Stand holding on to someone or something
  • Try to grasp a toy that is out of reach
  • Pass an object from one hand to the other
  • Make babbling sounds combining vowels and consonants such as ga-ga-ga, ba-ba-ba, or ma-ma-ma

Some babies are able to sit unassisted while propped up with their hands by the end of this month, though most will tumble forward. Your baby will not likely have a wellness check this month unless your doctor has scheduled a follow-up to address a previous condition. If you have any concerns regarding your baby’s health or development, do call your doctor.

Babies love exploring at this stage. Along with other appendages, babies will discover various body parts including their ears. If you notice them pulling at their ears it’s probably normal. However, if they tug at their ears along with crying or displaying signs of discomfort, fever, or other signs of illness it could indicate an ear infection in which you should call your doctor.

If you haven’t done so yet, this is most likely the time you will start introducing solids. Your doctor has probably suggested what foods to start off with at your last visit. These are some great first foods to begin offering your baby:

  • Veggies: squash, carrots, sweet potato, peas, green beans, avocado
  • Fruits: applesauce, bananas, pears, peaches
  • Unsweetened yogurt or Kefir

You can begin offering small amounts of protein such as chicken or meat by the end of this month though most babies will still receive the majority of their protein through breast milk or formula. Also because of its thicker consistency, many babies may still gag when offered meat and may take to them better in another month. Be sure to check out more on Introducing Solids under Feeding.

Keep in mind that babies will develop at their own rate and may do some or all of the above listed infant development milestones. If you notice your baby hasn’t achieved any of these skills by the end of their 5th month, consult with your doctor. It may be perfectly normal, though in some cases a delay in infant development could be an indication of a medical problem.

Further Reading: Infant Development: 6 Month Milestones


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