emergency contraception
"Last day of period May 28. Took Plan B on May 31. First day of fertile week. Had light bleed a week l8r Lasted only 2 days. Had swore breast, was bloated, mood swings

 cramps, acne :|  Now its June 28 still no period. Im 10 days late i've taken like 10 hpt all negative. Blood test negative. So i guess pill worked."