The first step should be getting a diagnosis from a general practitioner, pediatrician, or ENT.
These studies may also help your doctor rule out other possible blockages in your nasal cavity, such as structural abnormalities or another type of cancerous or noncancerous growth.
Being ready to respond may free up time to go over any points you want to spend more time on.
Nasalized vowels are vowels under the influence of neighbouring sounds.