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What is the most potent estrogen?

Ovariectomized rat

Cancellous bone

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Journal Article•DOI Biology and receptor interactions of estriol and estriol derivatives in vitro and in vivo. Benita S. Katzenellenbogen 01 Apr 1984-Journal of Steroid Biochemistry 53 Citations	Hence, estriol is an effective estrogen in vitro.
Open access•Journal Article•DOI Increased extracellular local levels of estradiol in normal breast in vivo during the luteal phase of the menstrual cycle. Charlotta Dabrosin 01 Oct 2005-Journal of Endocrinology 32 Citations	The results in this study suggest that progesterone may be one regulator in the local conversion of estrogen precursors into potent estradiol in normal breast tissue.
Open access•Journal Article•DOI The catechol estrogen, 4-hydroxyestrone, has tissue-specific estrogen actions. KC Westerlind, KJ Gibson, G L. Evans, Russell T. Turner - Show less +3 more 01 Nov 2000-Journal of Endocrinology 19 Citations	The data suggest that the catechol estrogen, 4-OHE(1), unlike 2-OHE(1), has estrogen activity.
Journal Article•DOI The saga of the ring B unsaturated equine estrogens. Bhagu R. Bhavnani 01 Nov 1988-Endocrine Reviews 67 Citations	This preparation has been for the last four decades, the most commonly prescribed estrogen for replacement therapy in estro...
Journal Article•DOI Estrone interaction with the rat uterus: in vitro response and nuclear uptake. Thomas S. Ruh, Benita S. Katzenellenbogen, John A. Katzenellenbogen, Jack Gorski - Show less +3 more 01 Jan 1973-Endocrinology 97 Citations	It is concluded that estrone, in its own right, is a biologically active estrogen.
Open access•Journal Article•DOI The catechol estrogen, 4-hydroxyestrone, has tissue-specific estrogen actions. KC Westerlind, KJ Gibson, G L. Evans, Russell T. Turner - Show less +3 more 01 Nov 2000-Journal of Endocrinology 19 Citations	Our results suggest that estrogen metabolites may selectively influence estrogen-target tissues and, concomitantly, modulate estrogen-associated disease risk.
Journal Article•DOI The negative feedback control by estradiol and progesterone of LH secretion in the ovariectomized rhesus monkey. T. Yamaji, D. J. Dierschke, A.N. Bhattacharya, Ernst Knobil - Show less +3 more 01 Mar 1972-Endocrinology 110 Citations	It is concluded that estrogen is th...
Journal Article•DOI Estrogenic Antagonism of Metabolic Effects of Administered Growth Hormone Ernest Schwartz, Eckehart Wiedemann, Sheldon Simon, Martin Schiffer - Show less +3 more 01 Sep 1969-The Journal of Clinical Endocrinology and Metabolism 42 Citations	The favorable effect of estrogen u...

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