plan b questions

[gracie1993]

hi, i recently went off my birth control after i had a strange period last month. i have been completely off it for almost a month. i had sex around the time i was supposed to ovulate and it was unprotected. it happened late friday night of last week, then we decided to get plan b on sunday mid-day. i took it and was expecting to feel period like symptoms and maybe some slight spotting but i havent gotten anything and it has been over a week of taking it. i am due for my period in about a week and a half. should i expect to get my period on time? and what are the chances of plan b not working? i did have some very slight but noticeable cramping. very very light though. no spotting though. i have been feeling a little "off"' such as dizzy spells or sudden lightheadedness. i know i should have taken the pill sooner, but it said within 72 hours it can work. does anyone have experience taking it more than a day later? and has it still worked? i am just trying to be prepared if the cramping is a meaning of something and i should prepare for a positive pregnancy test.
thanks, id appreciate the input.
-concerned.

[gracie1993]

Hey thanks for all the comments everyone. It was really helpful.

[gracie1993]

I'd apprecia