Hello. I am 24 years old and I have always had very regular periods. If late, usually by 1-2 days. I am currently 8 days late with no pms symptoms. I had unprotected sex the day after my period was due. I know that it is very unlikely/common for me to become pregnant that close to my period but it has happened to me before. I took a hpt yesterday evening (7 days late) and got a negative result. I am not experiencing any pregnancy/pms symptoms. Usually before my period I have cramps, breast tenderness, irritability, etc. Should I wait and take another test? If so, how long should I wait?