Connected Milestones
| CDC | May walk up steps and run | 18 months | 
|---|---|---|
| HC | Walks up and down stairs holding on to support | 24 months | 
| BF | Walks up steps, runs | 18 months | 
| BF | Goes up and down stairs one step at a time | 24 months | 
| PIR | Walks up stairs with one hand held | 16 months | 
| PIR | Walks up stairs holding rail, putting both feet on each step | 22 months |