Latex is natural rubber and more likely to trigger allergies. However, Silicone is hypoallergenic, and this is why it is used in medical implants. In addition, Latex smells and tastes of rubber and can cause the baby to reject mom's breast because it does not smell or taste like the nipple. Silicone is tasteless and odorless, and the baby will be happy to alternate between nipple and breast without spotting the difference.
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