Delayed milestones & growth related disease occurs in development delay when an infant does not reach a milestone at an expected time is often first sign in most children and automatic change like excessively stiff or loss limbs.
Example of milestones:
- Reaching for toys at 3 or 4 months.
- Rolling onto the back around 4 months.
- Sitting without assistance at 6-7 months
- Smiling at around 6 weeks.
- Walking around 10-14 months.