Ok wow, I thought we we're talking about nbe?, not that I don't mind hearing what you have to say, and it seems you have plenty to talk about. (No more lurking for you).

Shifting gears:

E1-Estrone (10-20% of circulating estrogens)
Implicated in hormone-medicated cancers.

E2-Estradiol (10-20% of circulating estrogens)

E3-Estriol (60-80% of circulating estrogens)
Thought to be anti-carcinogenic; most protective
estrogen ever tested against breast cancer.