Advice on preventing thromboembolism in pregnant women travelling by air

Any gestation and up to
six weeks postpartum
Short-haul flight
(<4 hours)
Long-haul flight
(4 hours or more)
No additional risk factors Standard Department of Health (DoH) advice Standard DoH advice + compression stockings;

Compression stockings should be well-fitting, elastic, below-knee compression stockings
Additional risk factors;
Weight >l00kg,
body mass index >30 at booking
multiple pregnancy
thrombophilia
past personal or strong family history
medical disorders with increased risk of deep vein thrombosis
Standard DoH advice + compression stockings;

Compression stockings should be well-fitting, elastic, below-knee compression stockings
Standard DoH advice + compression stockings + LMWH

Lowdose aspirin (75 mg/day for three days before travel and on day of travel) is an acceptable alternative for those unable to take LMWH

Adapted from RCOG October 2001