Hey I m 20 years old and well I took 2 plan bs within 3weeks of each other in December but my period came on December 11th,.well Christmas I stayed by Charles house or whatever and we did it but we never really used condoms he normally pull out but he didnt,.he brought another plan b but I didn t take it cuz I refuse to take anymore,.but I m 20 days late now with no signs that my period even trying to come on,.but we took a test Jan 22 it was negative but I been having tender breast,I m always sleep,I be feeling nauseous a lot too not throwing up just nauseous,.and I just dk..