Preeclampsia at 29 weeks

Has anyone else been diagnosed with preeclampsia? If so, how many weeks were you and when did you end up delivering?  Just got the diagnosis today and was taken out of work. She said we will play it day by day and I will deliver when the time is right but that I won't make it full term.  Feeling nervous but know I can't be the only one this has happened to this early...although I don't wish this on anyone!