It took me about 6 months, of 100mg Lugols iodine, per day. I had 2 large uterine fibroids, one 10cm x 4cm. After 6 months Iodine supplementation, I had no fibroids at all, and remain free of them up till now.
I also had severe fibro-cystic breast disease, I now have no trace of this at all.