My embryo transfer (ivf cycle ) is fixed on 16th nov (coming saturday ) Lmp was on oct 29.. im having progynova 2mg 4 times a day from oct 31 and susten 100 mg injection from 12th oct.. but today i had brown discharge.. can anyone plz let me know what can be the reason for that? I had black cohesh & soy tablet  ( nutrilite)for 2 weeks just before ivf cycle.. now only i got aware that it has some effects similar to estrogen.. can this tablet for the reason for spotting? (Nb: i stopped this tablet jst before ivf cycle, i stopped on oct 28 & oct 29 i got periods?