harpjs - why do you take progesterone to get

? I just started taking Prometrium (progesterone). My RE told me to start taking it 2 days after my IUI and continue to do it until I have a

(then I have to continue til 6 weeks) or til I get

. The nurse, on the day of my IUI, told me to take a PG test in 2 weeks and if I got a

to stop taking the progesterone b/c taking it could make me NOT get my period. So it confused me that you say you took it to get

.
Good luck to you.