hi, okay so where do i start? ok i was being protected by IUD, But on wednesday 17 of Nov.. and had sex with my bf the same day.. but then the next day i starting having wierd spotting.. it turned pink then brown with clots and yesterday it got a little redish.. but then goes away.. im confused because i just finish having my period a regular 5 day period.. and besides the spotting the past 3 days i been feeling reallyyy dizzy, and yesterday i starting feeling nauseous.. idk can i be pregnant?