I have some discomfort (like light sharp pain feels like scratching with pen tip very very light feel) while deep breath right side chest that's below to my throat near. It's not happening all the time. If I deep breath continuously for testing purpose it's not feeling. Whenever I feel like I wanted to relax and deep breath this is there. I was there in United States ,this is happening after came to Chennai. This is there last 2 months. Pls help. I am really worried. Also I am in post portum. I delivered 6 months before. Still no period. Please clarify my doubts. Is this because of polluted air or something else.