Table 3.20-6. Selected heparin dosage in pregnant patients with venous thromboembolism
 

Adjusted dose

Unfractionated heparin

Dose to maintain aPTT within therapeutic range, SC administration, 333 IU/kg initially, followed by 250 IU/kg every 12 h

Dalteparin

100 IU/kg SC every 12 h or 200 IU/kg SC every 24 h

Enoxaparin

1 mg/kg SC every 12 h or 1.5 mg/kg SC every 24 h

Nadroparin

85 IU/kg SC every 12 h or 190 IU/kg SC every 24 h

Tinzaparin

175 IU/kg SC every 24 h

aPTT, activated partial thromboplastin time; SC, subcutaneous.