Compared with women who have never had children, women who have given birth may have an increased breast cancer risk that continues for up to 23 years after their most recent birth, according to a new study published in the journal Annals of Internal Medicine on Monday.
원문출처 : https://www.cnn.com/2018/12/10/health/breast-cancer-childbirth-study/index.html
원문출처 : https://www.cnn.com/2018/12/10/health/breast-cancer-childbirth-study/index.html