Connected Milestones
| HC | Recognizes some sounds | 1 months | 
|---|---|---|
| BF | Recognizes the parents’ voices | 1 months | 
| PIR | Discriminates mother’s voice | 1 months | 
| HC | Recognizes some sounds | 1 months | 
|---|---|---|
| BF | Recognizes the parents’ voices | 1 months | 
| PIR | Discriminates mother’s voice | 1 months |