Table 3.20-10. Prophylactic doses of low-molecular-weight heparin in medical patients and pregnant women

Low-molecular-weight heparin

Prophylactic doses

Medical patients

Pregnant women


5000 IU every 24 h

5000 IU SC every 24 h


40 mg every 24 h

40 mg SC every 24 ha


2850 IU every 24 h

3800 IU SC every 24 h


4500 IU SC every 24 hb

4500 IU SC every 24 h

a Dose adjustment may be necessary in the case of extremely low or extremely high body weight.

b No formal studies in medical patients.

SC, subcutaneous.