Obstetric Thromboprophylaxis: The Swedish Guidelines
Table 5
LMWH dose.
Body weight* (Kg)
Dalteparin s.c. U/24 h
Tinzaparin s.c. U/24 h
Enoxaparin mg/24 h
Risk score = 2 to 4***
“Normal-dose” thromboprophylaxis
<90
5000
4500
40
>90
7500**
75 U/kg**
60**
“Very high risk” of VTE****
<50
2500 × 2**
20 × 2**
“High-dose” thromboprophylaxis
50–90
5000 × 2**
175 U/kg**
40 × 2**
>90
7500 × 2**
60 × 2**
*Initial maternal weight at the antenatal care unit.
**Initial doses.
***Maximum score is 4.
****measurable anti-FXa activity during the whole day, that is, >0.1 U/mL plasma before next dose.
