PRospective Evaluation of Peripartum Anticoagulation ManaGement for ThrOmboembolism

Inclusion Criteria:

• 18 years of age or older

• Requires anticoagulation during the antepartum period of pregnancy for a VTEindication, including at least one of:

1. Objectively confirmed VTE (DVT, superficial vein thrombosis [SVT], PE orunusual site thrombosis) diagnosed during the current pregnancy;

2. Objectively confirmed VTE diagnosed in a prior pregnancy;

3. Objectively confirmed VTE diagnosed when not pregnant;

4. Inherited or acquired thrombophilia requiring anticoagulation.

• Receiving any dose or type of LMWH during the antepartum period

Exclusion Criteria:

• Anticoagulation for a non-VTE indication, including prosthetic heart valves, atrialfibrillation, prevention of placenta-mediated pregnancy complications, or preventionof recurrent pregnancy loss (participants can be included with a diagnosis ofantiphospholipid syndrome (APS) with or without thrombotic events)

• Unable to provide or declined consent.

• Home or birthing centre planned delivery.