Air Travel in the First Trimester: What to Know Before You Fly

Can you fly in the first trimester?

Most major guidance, including from the American College of Obstetricians and Gynecologists (ACOG), does not consider flying itself harmful for most pregnant people in the first trimester. Early pregnancy concerns are usually more about how the pregnancy is progressing and whether there are extra risks than about the aircraft itself.

A flight is often considered reasonable if the pregnancy is confirmed, symptoms are stable, and your provider has not advised against travel.Talk with your provider first if you had fertility treatment, or if you have bleeding, severe weakness, or pain.

What is usually fine on the plane?

For an otherwise healthy pregnancy, a short or medium flight is usually well tolerated. In the cabin, the main issues are dehydration, sitting for a long time, and discomfort from nausea or fatigue.

• Low cabin humidity can increase thirst and dryness.
• Long periods of sitting may contribute to leg swelling and heaviness.
• Pressure changes are generally not considered harmful to the pregnancy, but they can worsen nasal congestion and ear discomfort.
• Turbulence is uncomfortable, but it is not known to harm a pregnancy when your seat belt is worn correctly.

How to make the flight more comfortable

Simple steps can make travel more comfortable. This is especially helpful if the first trimester brings nausea, sleepiness, or sensitivity to smells.

• Drink water in small amounts throughout the flight.
• Wear loose, comfortable clothing and shoes.
• If possible, get up and walk a little during a long flight to help circulation.
• Wear the seat belt low across your hips, below your belly.
• Bring light snacks if nausea is worse on an empty stomach.
• Choose an aisle seat if you want easier access to the restroom or to stand up more often.

If your provider has prescribed anti-nausea medicine or other treatment, ask whether you should adjust the timing for the day of travel.

When to talk with your provider before you fly

The decision to fly depends on your individual situation. A visit with your provider before travel is often a good idea if any of these apply.

• Bleeding or worsening lower abdominal pain.
• Severe vomiting that makes it hard to drink or eat.
• A suspected or possible ectopic pregnancy, or a past history of one.
• A multiple pregnancy.
• A history of miscarriage or pregnancy loss.
• Anemia, heart or lung disease, or a history of blood clots.
• Recent fertility procedures, or any treatment where your provider advised limiting travel.

Practical tips before you leave

A little preparation can make the trip smoother. In early pregnancy, having documents, water, and extra time on hand is especially useful.

• Bring your prenatal records or discharge summary if you have them.
• Save your provider's and clinic's phone numbers in your phone.
• Allow enough time so you do not need to rush or stand in long lines.
• Check whether the airport has rest areas and easy restroom access.
• Review your airline's pregnancy policy and any documentation rules.
• If nausea is significant, plan ahead for foods that you tend to tolerate well.

Bottom line

Flying in the first trimester is often possible when the pregnancy is uncomplicated. Many people benefit from checking their individual risk with a provider, planning for comfort, and knowing which symptoms need medical attention.

Learn more

• NIH: Pregnancy (NICHD)
• CDC: Pregnancy

General information only; it does not replace advice from your doctor or midwife.