Definition of SVT and VTE

Diagnoses were recorded according to the International Classification of Diseases, 9^th revision (ICD-9): codes 325, 415.1, 451, 452, 453, 671.3, 671.4, 671.5, 671.9, 673.2 and 673.3. At the time of acute thromboembolic event, one of the authors (EG) was asked to counsel and follow-up women with the diagnosis of VTE; the clinical and laboratory information presented here has, therefore, been extracted from the patients’ medical records.

The study was approved by the local ethics committee (date: June 11^th 2018; ICF: V1_27 Mag 2018; Protocol Number 91/CE).