Cond. broke on may11 first day of fert. week, took planb 40 hours later. spotting from may19to21, sore and bigger breasts since the19. chance of preg?

Not very high : Plan b is effective. Do a pregnancy test around time of expected period to be sure. Breast soreness can be sign of Plan B just as much as can be sign of pregnancy. Symptoms are not reliable. A pregnancy test is.

Did you miss your: Period ? Possible se’s w emergency contraception: tender breasts; change in menstrual flow (spotting, bleeding, early or late period or spotting instead of period); loose stools; dizziness; headache; nausea/ vomiting; abd discomfort or fatigue. If you develop chest tightness, difficulty breathing, swelling of lips, mouth, throat – call 911. Notify gyn if your period is 7 or > days late.