Clinical subtypes and prognosis in breast cancer according to parity: a nationwide study in Korean Breast Cancer Society

ConclusionWomen who had more than three children were more likely to develop hormone receptor-negative (HR −) subtypes. Women who had more than three children were associated with worse prognosis in patients younger than 50 years of age and in patients with TNBC.
Source: Breast Cancer Research and Treatment - Category: Cancer & Oncology Source Type: research