FLYING in Pregnancy
A resume of the evidence compiled by Neil Pattison
Leg swelling due to prolonged sitting, nasal congestion due to the humidity changes and travel sickness are more common with air travel for the pregnant woman.
Deep vein thrombosis (DVT)
There is a small increased risk in this life threatening condition by flying at any time in pregnancy. Especially for women with a previous history, specific risk factors and is proportional to the length of the flight. It is generally only a risk with flights longer than 4 hours. This risk occurs at all times during and immediately after (6weeks) of pregnancy.
Wear loose fitting shoes
Additional precautions for flights over 4 hours:
Low dose aspirin 75mg starting 4 days before flight, while you are away and for 4 days after return
Take your medical notes with you
Additional information is available from the Royal College of Obstetricians