My boobs have been sore sore for a week in a half, I have been constipated, I have had nausea more towards the end of the day, dizzy spells, I have had lots of craving for HOT HAM AND CHEESE sandwiches, there has been two maybe three times that I have had sharp pains in my stomach, I have gained a few pounds as well.....I have taken four pregnancy test and all Four NEGATIVE:( HELP!!!!!!!!!!!!!!! I have not had a period yet but I do not keep track of that so I am not sure when I am supposed to start. I have three children and I feel pregnant but I am not sure what to think!!!!