In addition to choosing the right bottle for your baby's needs you also need to consider the nipple. The teats are divided into phases: phase 1 (0-3 months), phase 2 (3-6 months) and phase 3 (from 6 months). Normally your baby will let you know if he or she is ready for a phase change. A nipple works well when you put the bottle upside down and the milk drips at a regular rate.
Wide mouth silicone teat Dr natural flow newborn silicone teat is transparent in color, less resistant to biting so it is recommended for the stages prior to teething but is very resistant to high temperatures and wear less easily. These nipples are made to work with Dr. Brown's natural flow bottle in others may malfunction and cause problems related to your baby's feeding.
Make it easier for your baby to drink milk!