At week 18, you might start to feel {{ PRONOUN_BABY }} move, and if not quite yet, you probably will soon! Your baby’s nervous system is becoming more fully developed and myelin is starting to cover and protect {{ PRONOUN_HIS_HER_LOWER }} nerves.
![](https://assets.oviahealth.com/wp-content/uploads/2023/12/article_109204_week-18_s_640_533.jpg)
At week 18, you might start to feel {{ PRONOUN_BABY }} move, and if not quite yet, you probably will soon! Your baby’s nervous system is becoming more fully developed and myelin is starting to cover and protect {{ PRONOUN_HIS_HER_LOWER }} nerves.