asked 199k views
2 votes
When do babies start breathing through their mouths

2 Answers

7 votes

Answer: When they are about 3 - 4 months old

Step-by-step explanation:

answered
User Shaoxiang Su
by
8.6k points
4 votes

Answer:

Young babies don't develop the reflex to breathe through their mouths until they are3 or 4 months old. Studies show that mouth breathing while the baby sleeps may be due to some blockage in the upper airway, including the throat and nose.

answered
User Cahlan Sharp
by
7.7k points
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