This episode covers some of the most important growth and development milestones of infancy of the 6-month-old and 12-month-old infant. As I say in the recording, knowing these cross-sections will help you make an educated guess about other milestones which are not listed.
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Here are some examples:
When does an infant begin to roll from front to back? That's not one of the milestones I mention here, but if I know that an infant can roll from back to front at 6 months of age, I can guess that they can do the relatively easier skill of rolling from front to back shortly before.
When does an infant say their first word? If I know that at 6 months of age they begin imitating sounds, and at 12 months they have a vocabulary of about 5 words, then I might guess that it's somewhere in the middle between those two.
When does an infant quadruple their birth weight? If I know that they should be at least double their birth weight by 6 months, and they should be at least triple their birth weight by 12 months, they shouldn't be expected to quadruple their birth weight any earlier than 18 months.
When does an infant get skilled at using the pincer grasp? If I know that they begin using the pincer grasp at 8 months of age, I know that skilled use of the pincer grasp doesn't occur until some time after.
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It's important to note that in the real world (outside of NCLEX-land), some babies reach their milestones early, and others hit their milestones late. Many parents want to see the former as a sign that their child will become a genius, while others see the latter and fear that there is something wrong with their child. Whereas a failure to reach a particular milestone in time may indicate a problem, that is not necessarily, or even usually, the case.