Babycenter states that travel is safest during the second trimester -- weeks 14 to 27. Travel stress can cause miscarriage or induce labor in the first and third trimesters.
Expecting mothers should bring high-protein snacks on the plane and drink plenty of water to keep hydrated.
Sit on the aisle so it is easy to get up and move around. If possible, choose bulkhead seating for the additional legroom, or sit in the middle of the plane, where the ride feels smoothest.
Pregnant women should move around as much as possible to avoid blood clots in the legs. Stand up and take a quick stroll about once an hour.
Metal detectors and other security devices are safe for the baby.
