My friend tryed fert treatment and TTC for 3 years she took 24 vitex tablets(blackmores) and fell PG! She had to stop taking them because she actually fell Pg and you cant take them while PG. So after my failed IVF cycle I thought I would give it ago, at the least thought it would help me regulate my hormones so I am on them but nothing yet! But it takes along time I guess to get back to normal anyway after all the IVF drugs. Good Luck