Reproductive endocrinology

Evidence for actions of estrone distinct from those of estradiol

J Clin Endocrinol MetabPublished Systematic review

Authors' conclusion

Current evidence indicates that E1 is a biologically significant estrogen in its own right.

Study context

Population
Cell culture, animal models and clinical studies of E1 actions; postmenopausal women
Comparison
Estrone vs estradiol actions
Outcome
Distinct biological actions of E1
Methodological detailsSystematic search of PubMed, Ovid Medline, Embase, Web of Science and bibliographies
  • Systematic search of PubMed, Ovid Medline, Embase, Web of Science and bibliographies

Pooled result

As reported in the abstract

Postmenopausal plasma E1 levels vs E2

4-fold higher

Postmenopausal E1 production through peripheral aromatization

8-fold higher

Original publication

Evidence for actions of estrone distinct from those of estradiol. J Clin Endocrinol Metab. Published 20 May 2026. doi:10.1210/clinem/dgag213

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