Third Trimester Estrogens and Maternal Breast Cancer: Prospective Evidence
Author(s) -
Barbara A. Cohn,
Piera M. Cirillo,
BILL R. HOPPER,
Pentti K. Siiteri
Publication year - 2017
Publication title -
the journal of clinical endocrinology and metabolism
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 2.206
H-Index - 353
eISSN - 1945-7197
pISSN - 0021-972X
DOI - 10.1210/jc.2016-3476
Subject(s) - medicine , breast cancer , estriol , hazard ratio , obstetrics , pregnancy , prospective cohort study , gynecology , estrone , confidence interval , cancer , estrogen , biology , genetics
Full-term pregnancy is associated with a transient increase and life-time decrease in maternal breast cancer risk. Estrone (E1), estradiol (E2), and estriol (E3) are in high concentration during the third trimester. E1 and E2 metabolism produces carcinogenic intermediaries, and E3 metabolism does not.
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