Characteristics of women from the reference cohort experiencing venous thrombosis
| Patient | Age at event | BMI | Thrombophilia | Additional risk factors | Type of event | Antithrombotic prophylaxis |
|---|---|---|---|---|---|---|
| 1 | 31 | 37.1 | No | No | Antepartum SVT in the left leg | None |
| 2 | 33 | 18.3 | No | Previous SVT after Caesarean section | Antepartum DVT in the left leg | None |
| 3 | 28 | 17.3 | FVL heterozygous | Family history for VTE | Antepartum (37 weeks) DVT in the right leg | LMWH*† |
| 4 | 33 | NA | NA | No | Postpartum SVT in the right leg | None |
| 5 | 37 | NA | NA | No | Postpartum bilateral SVT | None |
| 6 | 43 | NA | NA | No | Antepartum DVT in the left leg | None |
| 7 | 22 | NA | NA | No | Postpartum DVT in the left leg | None |
| 8 | 35 | NA | NA | No | Postpartum bilateral SVT | None |
| 9 | 36 | 21.3 | FVL heterozygous+ PC deficiency | Previous DVT during oral contraceptive | Antepartum (21 weeks) DVT in the left leg | LMWH*‡ |
| 10 | 33 | 18.7 | FVL heterozygous | No | Antepartum DVT in the left leg | None |
| 11 | 35 | NA | NA | No | Postpartum SVT in the right leg | None |
*Started when pregnancy test was positive.
†Treatment withdrawn for physician's choice at 32 weeks.
‡Treatment withdrawn for patient's choice at 20 weeks.
BMI, body mass index; DVT, deep vein thrombosis; FVL, factor V Leiden LMWH, low-molecular-weight heparin; NA, not available; PC, protein C; PE, pulmonary embolism; SVT, superficial vein thrombosis.