I skip my periods. I had periods on 27 sept. I don't had periods in oct now its nov. I thought its may because of pregnancy. Then I check with a kit it shows negative results. Now I am worried about this like why i am not having periods. because tills sept I have no problem in my cycle. I am having regular cycle proper flow everything was fine. After sept i am not having periods. What should I do and what are the reasons of not having periods. I feel fatigue, I feel like i am not able to digest my food feel like vomiting and i am not feeling hungry. And gaining weight sometime feel short breath. Suggest me what should I do?