"i&#039;m only 17 i used plan b before can&#039;t remember if i got sick after taking it before. but me and my boyfriend had unprotected sex tuesday 10th night when i was fertile, two days away from my ovulation day. i had him go get the pill the same night took it about 1/2 hours after. took it with mcdonalds and went right to sleep after couple days later i don&#039;t feel anything. but my breast are very sore and i&#039;m just constantly hungry. suppose to get my period on thanksgiving the 26th. waiting game horrible ."