Open AccessTrends in Parity and Breast Cancer Incidence in US Women Younger Than 40 Years From 1935 to 2015
Author(s) -
Sarah M. Lima,
Rebecca D. Kehm,
Katrina Swett,
Lou Gonsalves,
Mary Beth Terry
Publication year - 2020
Publication title -
jama network open
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 3.278
H-Index - 39
ISSN - 2574-3805
DOI - 10.1001/jamanetworkopen.2020.0929
Subject(s) - breast cancer , medicine , demography , incidence (geometry) , parity (physics) , cancer registry , population , cancer , obstetrics , gynecology , environmental health , physics , particle physics , sociology , optics
This cohort study examined incidence of breast cancer among US women aged 25 to 39 years from 1935 to 2015 compared with parity data from the same era to determine if the increase in breast cancer incidence could be explained by a decrease in parity.
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