20181214-niehs-breast-cancer-risk.jpg

Image of a woman holding up her arm.

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Woman holding up her arm

Caption

The study suggests breast cancer protection from pregnancy may not begin until as many as 30 years after the last pregnancy.

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NIEHS

Description

The study suggests breast cancer protection from pregnancy may not begin until as many as 30 years after the last pregnancy.
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Image of a woman holding up her arm.