im 18 i think i might be pregnant to my partner of 3 year, my period is 3 days late but i have had little cramp like feelings, and i had some very, very light spotting around a week ago. i am very bloated and tired, feel sick at smell of surtain food wich i used to like, always hot and iritated, constantly needing the toilet, slight constipation, but i have had no morning sickness. me and my partner have done 2 home pregnancey tests on tuesday the day my periond was due but they were negitive. what do you think i should do? and do you think i could be pregnant?