Assessment Type

Antenatal Postnatal

Weight

Height

Pre-existing Risk Factors

Previous VTE, except single event related to major surgery Previous VTE provoked by major surgery Known high-risk thrombophilia Medical comorbidities Family history of unprovoked or estrogen-related VTE in a first-degree relative Known low-risk thrombophilia, no previous VTE Age over 35 years Parity 3 or more Smoker Gross varicose veins

Transient Risk Factors

Surgery in pregnancy or puerperium, except immediate perineal repair Hyperemesis, dehydration, or severe vomiting Ovarian hyperstimulation syndrome (OHSS) Current systemic infection requiring IV antibiotics or admission Immobility or reduced mobility

VTE Risk Score Calculator in Pregnancy

Update History