I've take Plan B a few times and recently took Walgreen's version of it and have a few questions regarding how effective it actually is. I've read so many articles of how it doesn't work when taken the day of or after ovulation, that it actually increases your chances of being pregnant. then I read if tale after ovulation it keeps the egg from attaching on the wall so it dies. I took it after ovulation and my cycle still isn't for seven days but I'm curious to what the true facts of plan B and the pills like it are. is it even safe? does it work? are these just rumors???