| Preference of Bottle on the following |
vs. Avent® |
vs. Evenflo® |
vs. Gerber® |
|
Playtex® VentAire® System |
Avent |
Playtex® VentAire® System |
Evenflo |
Playtex® VentAire® System |
Gerber |
| Comfort of child during feeding |
√ |
|
√ |
|
√ |
|
| Comfort of child after feeding |
√ |
|
√ |
|
√ |
|
| Discomfort measures during feeding: |
|
|
|
|
|
|
| Grimacing - frown, make a face, puckered brow, scowl |
√ |
|
√ |
|
√ |
|
| Drawing up legs, pull legs up against stomach |
√ |
|
√ |
|
|
|
| A reddened or flushed face |
√ |
|
√ |
|
|
|
| Clenched fists |
√ |
|
|
|
|
|
| Child appears to be in pain |
√ |
|
√ |
|
√ |
|
| Sudden onset or uncontrolled crying |
√ |
|
√ |
|
√ |
|
| Appears happy and content |
√ |
|
√ |
|
√ |
|
| Discomfort measures after feeding |
|
|
|
|
|
|
| Grimacing - frown, make a face, puckered brow, scowl |
√ |
|
√ |
|
√ |
|
| Drawing up legs, pull legs up against stomach |
√ |
|
√ |
|
|
|
| A reddened or flushed face |
√ |
|
√ |
|
|
|
| Clenched fists |
√ |
|
√ |
|
√ |
|
| Child appears to be in pain |
|
|
√ |
|
√ |
|
| Sudden onset or uncontrolled crying |
√ |
|
√ |
|
√ |
|
| Appears happy and content |
√ |
|
√ |
|
√ |
|
| How long baby cried during feeding |
√ |
|
√ |
|
√ |
|
| Length of time baby cried after feeding |
√ |
|
√ |
|
√ |
|
| Severity of cry during feeding |
|
|
√ |
|
√ |
|
| Severity of cry after feeding |
√ |
|
√ |
|
√ |
|