| http://www.w3.org/ns/prov#value | - In utero exposures and early-life factors have been associated with increased risk of breast cancer.11,12,14 Changes in DNA methylation level may be one mechanism linking early-life exposures to adult health.10,16,21 We have previously reported that in utero exposure to maternal cigarette smoking and other risk factors across the life course, such as age at menarche, birth length and pregnancy his
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