Safety of Pregnancy in BRCA Mutated Breast Cancer Patients

Inclusion Criteria:

Diagnosis of invasive breast cancer between January 2000 and December 2012;
Breast cancer diagnosis at the age of ≤ 40 years;
Known presence of germline BRCA mutation.

Exclusion Criteria:

Known BRCA mutation with no diagnosis of invasive breast cancer;
Diagnosis of ovarian cancer or other malignancies with no history of invasive breast cancer;
Diagnosis of hereditary or familiar invasive breast cancer without BRCA mutation or with BRCA genes not tested.