I am 15 years old female. I didnt had the hard sex at all. Dick just got inside my vagina. Few hours before having sex, I had a severe stomache on the left side of my stomach like someone is penetrating something from inside. Few minutes after sex, I was not able to breathe properly. Next day, again pain started in left and right side of my belly. My breatge rate changes as I do some walking or physical work. I have not got my periods yet though date was of 20. What should I do. I am scared. Are these signs of pregnancy? if not what all these means!