Table 1 Bottle measurements for diameter, headspace, and milk-to-air interface
Delivery system | Diameter (mm) | Headspace (ml) | Milk-to-air interface (cm2) |
|---|---|---|---|
Gerber (G) | 52 | 176 | 21.23 |
Ventaire (V) | 54 | 183 | 22.89 |
Dr. Brown's (DB) | 50 | 66* | 19.63 |
Elan (EL) | 67 | 180 | 35.24* |
BornFree (BF) | 65 | 127* | 33.17* |
Playtex Drop-Ins (PD) | 56 | 158 | 24.62* |
Avent Natural (AN) | 66 | 205 | 34.19* |
Control | 52 | 74* | 20.42 |