TITLE: Reproductive factors in the etiology of breast cancer.

AUTHORS: Brinton LA; Hoover R; Fraumeni JF Jr

SOURCE: Br J Cancer 1983 Jun;47(6):757-62

ABSTRACT: An interview study of 1,362 breast cancer cases and 1,250 controlsidentified through a multi-centre screening project allowed an evaluation of reproductive determinants of breast cancer. Risk increased linearly with age at first livebirth; women with a birth after