How often do you check weight and adjust anticoagulation dosing in pregnancy?

In patients on prophylactic or intermediate doses of Lovenox (e.g., 1 mg/kg once daily), I do not adjust the dose during pregnancy. (Although this "intermediate-dose" approach is not supported by the Highlow trial, I will use 1 mg/kg daily in a woman with a more extensive clotting history—such as a ...