Canterbury DHB



DVT or Pulmonary Embolus

Treatment with heparin should be commenced as for non pregnant patient. Thrombolytic therapy is contraindicated during pregnancy or during the first few days after delivery. Heparin treatment should be continued until delivery. LMWH is the preferred heparin preparation during pregnancy. LMWH anti-Xa therapeutic range is 0.3-1.0 iu/mL at peak time point (4 hours post-dose).

After delivery warfarin can be introduced. Warfarin is excreted into breast milk in very low amounts but is not considered to be a risk to the suckling infant. Alternatively the woman may wish to continue with LMWH therapy during the puerperium. Treat for a minimum of six months total therapy.

About this Canterbury DHB document (5212):

Document Owner:

Not assigned (see Who's Who)

Last Reviewed:

August 2016

Next Review:

August 2018


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Topic Code: 5212