Table 1.

Recommended prophylactic heparin dosage in peri and postmenopausal women using menopausal hormone therapy or combined hormonal contraception.

Drug at prophylactic dose	Renal clearance >30 mL/min	Renal clearance < 30 mL/min
Enoxaparin	•<80 kg: 40 mg/day (4000 IU/day) •80−100 kg: 60 mg/day •>100 kg: 80 mg/day	20 mg/day (2000 IU/day)
Tinzaparin	•<80 kg: 4500 IU/day (0.45 mL/day) •80−100 kg: 7000 IU/day •>100 kg: 10,000 IU/day	Not recommended for use
Bemiparin	•<80 kg: 3500 IU/day (0.2 mL/day) •80−100 kg: 5000 IU/day •>100 kg: 7500 IU/day	2500 IU/day