Those who have special health conditions, especially pregnant women, often need a Fit to Fly medical certificate to confirm their fitness to travel by air
This article covers the importance of a Fit to Fly medical certificate, the application process, the timeframe for applying for the document, its limitations, and how to prepare for a pregnant woman who wishes to travel by air.
Things to know before applying for a Fit to Fly medical certificate
- What is a Fit to Fly medical certificate?
- Why do pregnant women need a Fit to Fly medical certificate?
- Price of a Fit to Fly medical certificate

- Application procedure for a Fit to Fly medical certificate
- Timeframe for applying for a Fit to Fly medical certificate
- Restrictions for pregnant women on flights
- Preparation for obtaining a Fit to Fly medical certificate
- Where can pregnant women apply for a Fit to Fly medical certificate?

What is a Fit to Fly medical certificate?
A Fit to Fly medical certificate is a document from a doctor confirming a traveler’s health is stable for air travel, particularly necessary for those with pre-existing conditions, recent surgeries, or pregnant women.
Fit to FlyWhy do pregnant women need a Fit to Fly medical certificate?
Flying during an uncomplicated pregnancy is generally considered safe, but medical evaluation before travel is crucial because certain conditions can increase the risk of complications like premature birth or blood clots.
Therefore, many airlines require pregnant women who are past a certain point in their pregnancy to obtain a Fit to Fly medical certificate from a doctor to confirm their suitability for air travel. This certificate verifies that flying will not adversely affect the health of the mother and the fetus.
Price of a Fit to Fly medical certificate
- Price of a Fit to Fly medical certificate, starting at 2,390 Baht
- Prices may vary according to diagnosis made by the doctor.
Fit to FlyApplication procedure for a Fit to Fly medical certificate
- Make an appointment with a doctor: Pregnant women should schedule a doctor’s appointment at a clinic or hospital 3-7 days before traveling
- Physical Examination: It Involves a doctor evaluating the health of both the mother and baby through a physical exam and an ultrasound to determine if air travel is safe.
- Receive a Fit to Fly medical certificate: If your health is suitable for air travel, your doctor will issue a Fit to Fly medical certificate. This document should include your name, gestational age, and confirmation that you are safe to travel.
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Timeframe for applying for a Fit to Fly medical certificate
A Fit to Fly medical certificate for pregnant women is generally valid for a short period, often around 7 days, and pregnant travelers must ensure it is still valid on their travel date.
Restrictions for pregnant women on flights
- Most airlines permit travel for single pregnancies up to about 36 weeks and for multiple pregnancies (like twins) up to around 32 weeks.
- If a pregnant woman has complications like high blood pressure or gestational diabetes, further evaluation may be required for “Fit to Fly” approval to ensure safe travel.
- Each airline has different requirements for a “Fit to Fly” medical certificate, so pregnant women should always contact the airline in advance to understand their specific policies.
Preparation for obtaining a Fit to Fly medical certificate
The doctor will review the patient’s health history using the Maternal and Child Health Handbook and conduct an ultrasound to confirm the gestational age and ensure a healthy pregnancy before issuing a Fit to Fly medical certificate.
“No special preparation is required. You only need to bring your Maternal and Child Health Handbook and undergo an ultrasound examination. Even if you forget your Maternal and Child Health Handbook, you can still get a Fit to Fly medical certificate. It is recommended to get in touch with the airline to find out if any specific examinations are required. Because your fit to fly will be decided by the airline.”
– NATTAWADEE SRIBORISUT, MD. ว.60973
(IntouchMedicare Clinic physician) –
Where can pregnant women apply for a Fit to Fly medical certificate?
Pregnant women can apply for a Fit to Fly medical certificate at a hospital, clinic, or health facility with an obstetrician or gynecologist before flying. It is recommended to contact your doctor, especially if you receive regular prenatal care, for a convenient and accurate assessment of your fitness to travel.
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Latest edit : 17/11/2025
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