So ive had sex before but I've never felt these symptoms before. But after having sex these past two times I've been feeling weird symptoms. We had sex friday and monday unprotected and the second time with a condom we would use the pull out method with unprotected sex. On saturday night but I felt these symptoms more on Sunday till today ive been feeling really weird symptoms like: -dizziness and headaches -my lower stomach hurting but not intense pain -I get hot when I'm standing up for too long. -I just feel like blah and lazy. -sometimes I feel as if I'm going to faint -one day I felt like I had a cold because my body just felt like it was cold. This only happened Sunday night. -I have slight pain in my chest sometimes. I haven't had my period yet I'm suppose to get it next week. I'm really scared that I might be pregnant or I might have some type of infection. I've taken Tylenol for the headaches and for these weird symptoms I've been getting. But they seem to always be coming back. I really don't know what to do. Please help me!!!!!