@CNN: Women who have given birth may have an increased breast cancer risk that continues for up to 23 years after their most recent childbirth, compared with women who haven’t done so, according to a new study https://t.co/a0b3ZXzntt https://t.co/UHGW0KrP2C

Women who have given birth may have an increased breast cancer risk that continues for up to 23 years after their most recent childbirth, compared with women who haven't done so, according to a new study https://t.co/a0b3ZXzntt pic.twitter.com/UHGW0KrP2C

— CNN (@CNN) December 11, 2018