Thanks for the query
Fenugreek contains something called as Disogenin which they claim is the compound which will help in breast enlargement, however humans do not have the ezymes to break this done to progesterone
which actually helps in breast enlargement. No scientific studies have proved its worth in breast enlargement as well
No adverse effects were seen with Fenugreek 3000mg a day.
My suggestion is, its worth the try but dont count on it.
I hope I was of help