- Activation of Virchow's triad, venous stasis from obstruction to flow, hypercoagulability, endothelial damage
- Inherited thrombophilia, previous venous thromboembolism
| - Multiple births
- Varicose veins
- Inflammatory bowel disease
- Urinary tract infection
- Diabetes
- Hospitalization for nondelivery reasons (particularly those >3 days)
- BMI ≥30 kg/m2
- Increased maternal age ≥35 years
| - Cesarean section
- Medical comorbidities (eg, varicose veins, cardiac disease, inflammatory bowel disease)
- BMI ≥25 kg/m2
- Young gestational age (preterm delivery <36 weeks)
- Obstetric hemorrhage
- Stillbirth
- Increased maternal age ≥35 years
- Hypertension
- Smoking
- Eclampsia or preeclampsia
- Postpartum infection
- Transfusions
- Thrombophilia disorders
|
