late on period or pregnant? Poll

my last period was 9 days long, accorging to my calender im 3 days late, feel bloated, constipated,boobs sore,light cramps,did my long period afect my cycle? am i pregnant? or am i going through changes?took a cheap test, was neg,HELP

• wait a little longer
• may be pregnant
• may be going through changes
• possible signs of pregnancy
• ask a doctor
• take another test in a few days