Additional file 1: of Maternal breast cancer risk in relation to birthweight and gestation of her offspring

Table S1. In-situ breast cancer risk by birthweight and gestation of first-born singleton offspring by menopausal status. Table S2. Invasive breast cancer risk by birthweight and gestation of first-born by age at first delivery. Table S3. Relative risks of invasive breast cancer in relation to birthweight and gestation of first-born singleton offspring by menopausal status at breast cancer incidence; analyses unadjusted for confounders other than age. Table S4. Relative risks of invasive breast cancer in relation to birthweight and gestation of first-born singleton offspring by oestrogen receptor status of breast cancer; analyses unadjusted for confounders other than age. Table S5. Relative risks of invasive breast cancer in relation to birthweight and gestation of first-born singleton offspring by duration since delivery; analyses unadjusted for confounders other than age. Table S6. Relative risks of invasive breast cancer in relation to birthweight and gestation of most recent singleton birth by menopausal status at breast cancer incidence; analyses unadjusted for confounders other than age. (DOCX 53 kb