Last month me and my boyfriend has sex at the end of the month I had a light period it wasnt exactly the same as it normally would be. Then i waited till this month i was ment to get it at the lastest yesterday and it didnt come During the month i had sore breats, tiredness, and a temperature. i have been getting soreness in my sides but i also done a tiny bit of exercise yesterday im not sure if thats why im sore. im so frightened i may be pregnant. Also i cant sleep at night so would thate lead to stress? Please help. thanks. x