🫄 The Short Answer: Is It Safe for Pregnant Women to Fly?
Yes—flying while pregnant is generally safe for most women with healthy, uncomplicated pregnancies up to 36 weeks, but only if cleared by a qualified doctor in advance.
Singapore hospitals, such as Mount Elizabeth and SingHealth, advise consulting your doctor before booking, as risks increase if you have twins, underlying health conditions, or complications like high blood pressure or gestational diabetes.
Some airlines, such as Singapore Airlines(SIA), require a medical certificate after 28 weeks, and air travel is not allowed beyond 36 weeks for single pregnancies or 32 weeks for multiples. Always check airline policies and get travel insurance before flying.
✈️ When is the Best Time to Fly? A Trimester-by-Trimester Guide
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The best time for pregnant women to fly balances safety, comfort, and airline rules. Generally, the second trimester (weeks 13 to 28) is regarded as the ideal window for travel, as risks of complications and discomfort are lowest. However, understanding the unique considerations for each trimester is key for a comfortable and safe journey.
Flying in the First Trimester (Weeks 1-12): What to Expect
Flying in the first trimester is possible but can be challenging. Morning sickness and fatigue are common, and symptoms like nausea may be aggravated by changes in altitude and motion.
While air travel does not increase miscarriage risk, this trimester naturally has a higher baseline risk, so some women prefer limiting travel.
Always carry snacks, stay hydrated, and book aisle seats for easier access to restrooms. Consult your obstetrician before flying to ensure your health status is optimal for travel.
Flying in the Second Trimester (Weeks 13-28): The "Sweet Spot" for Travel
The second trimester is often called the "sweet spot" for flying during pregnancy because morning sickness subsides, energy levels improve, and the belly is not yet large enough to hinder mobility.
Airlines generally allow pregnant passengers to fly without a medical certificate up to the 28th week. For most, this is the safest and most comfortable time to travel.
Use compression socks to reduce the risk of swelling and deep vein thrombosis, stay hydrated, and avoid long layovers when possible. It’s an ideal time for babymoon trips if cleared by a doctor.
Flying in the Third Trimester (Weeks 29-40): Key Restrictions and Considerations
In Singapore, airlines typically require a medical certificate from 29 weeks onwards, confirming fitness to fly and estimated due date.
Singapore Airlines (SIA) restrictions
SIA requires a medical certificate
- for uncomplicated single pregnancies between 29 and 36 weeks, and
- for multiple pregnancies between 29 and 32 weeks.
The certificate must confirm:
- fitness to travel,
- number of weeks pregnant, and
- estimated date of delivery.
- It must be dated within 10 days before the first flight after 28 weeks and shown at check-in if requested.
Always check airline policies, carry your doctor’s note, and opt for shorter flights. Flying in the third trimester is generally discouraged unless medically necessary and approved by a healthcare provider.
🇸🇬 Airline-specific Pregnancy Policies for Singapore Travellers (updated Sep 2025)
Pregnancy travel policies vary significantly between airlines and often depend on the stage of pregnancy and whether it’s a single or multiple pregnancy. It’s crucial to check the latest airline-specific rules directly before booking, as requirements for medical certificates, travel limits, and documentation differ.
Below is a summary of pregnancy policy highlights for key airlines commonly used by Singapore travellers.
Airline | Medical Certificate Requirement | Travel Not Permitted | Notes | |
Single pregnancy | Multiple pregnancy | |||
Singapore Airlines (SQ) | Required from 29 weeks, Certificate dated within 10 days | From 36 weeks | From 32 weeks | No emergency exit row seating after 28 weeks |
Scoot (TR) | Required from 29 weeks, Certificate dated within 10 days | From 36 weeks | From 32 weeks | No guarantee of travel safety beyond limits |
AirAsia (AK) | Required from 28 weeks, Certificate dated within 30 days | From 35 weeks | From 35 weeks | Guests must sign Limited Liability Statement at check-in for pregnancy up to 27 weeks |
China Airlines (CI) | Required from 30 weeks, Certificate dated within 10 days | From 36 weeks | From 32 weeks | Please inform staff of the expected date of delivery, single or multiple pregnancy |
Qantas (QF) | Required from 29 weeks | From 41 weeks (flight duration <4h) From 37 weeks (flight duration ≥4h) | From 37 weeks (flight duration <4h) From 33 weeks (flight duration ≥4h) | Medical clearance is needed if travelling within 7 days of delivery date |
Malaysia Airlines (MH) | Required from 29 weeks | From 37 weeks | From 33 weeks | Release and Indemnity (R&I) required for all expectant mothers |
🔐 Addressing Common Concerns: Risks & Safety Explained
Can Flying Cause a Miscarriage?
In a healthy pregnancy, the act of flying itself does not cause miscarriage. Medical consensus, including Singapore’s HealthHub, does not specifically state that flying causes miscarriage.
The first trimester naturally carries a higher risk of miscarriage, which is influenced by various factors including stress, high caffeine consumption, and alcohol intake—none of which are related to flying itself.
Given these complexities, it is important to always consult your doctor before planning any air travel during pregnancy, especially if there are existing concerns or complications.
Are Airport Security Scanners Safe?
Yes, airport metal detectors and millimeter-wave body scanners at Changi and globally are safe for pregnant women.
These scanners emit very low levels of radiation, certified non-hazardous by Singapore’s National Environmental Agency and international authorities.
Pregnant travellers who are still concerned can request a manual pat-down.
Understanding Deep Vein Thrombosis (DVT) and Prevention
DVT is the formation of blood clots in deep veins, usually in the legs, which can cause pain and swelling. In pregnancy, hormonal changes and pressure from the growing uterus increase clotting risk, making pregnant women more susceptible than non-pregnant individuals. If untreated, DVT can lead to serious complications like pulmonary embolism, a potentially life-threatening condition where clots travel to the lungs.
According to the U.S. Centers for Disease Control and Prevention, pregnant women have up to a fivefold higher risk of developing DVT, especially during long flights. Preventive steps include regular leg movement, wearing compression stockings if recommended, staying hydrated, and avoiding alcohol.
Women with additional risk factors such as previous clots, obesity, multiple pregnancies, or medical conditions should seek specific advice from their obstetrician. While serious, DVT is largely preventable with proper precautions and awareness.
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🎒 Your Essential Checklist for a Safe and Comfortable Flight
Before You Book Your Flight
- Check the airline’s pregnancy policy, including medical certificate requirements and gestational age limits.
- Consult your obstetrician to ensure you are fit to fly, especially if you have a high-risk pregnancy or complications.
- Choose direct flights or routes with minimal layovers to reduce travel stress.
- Consider travel insurance that covers pregnancy-related emergencies.
A Week Before You Fly
- Schedule a pre-travel check-up with your doctor to confirm your health status and get any necessary paperwork.
- Prepare a copy of your medical records and doctor’s letter if required by the airline.
- Pack essentials such as prenatal vitamins, snacks, water, and any medication prescribed.
- Notify the airline in advance if special assistance is needed.
To avoid surprises at the gate, know exactly what you can bring on board. Check out our baggage restriction guide for all the essentials—and the items you’ll need to leave behind. Staying informed helps keep your journey smooth and stress-free.
For a more comfortable flight experience, pregnant women may benefit from upgrading to Premium Economy or Business Class, where extra legroom and more comfortable seats make a big difference. Curious about what each flight class really offers? Check out our complete guide on flight classes to find the perfect fit for your pregnancy travel needs.
On the Day of Your Flight
- Dress comfortably in loose, breathable clothing and shoes suited for swelling legs or feet.
- Arrive early at the airport to reduce rushing stress.
- Keep hydrated by drinking water regularly and avoid caffeine and alcohol.
- Limit heavy lifting—ask for help with bags if possible.
Take the stress off your travel day by relaxing in an airport lounge. For pregnant women, lounges offer a quiet space to sit comfortably, stretch your legs, and enjoy nutritious snacks—helping you stay calm and refreshed before the flight. Trip.com’s Platinum, Diamond, and Diamond+ members enjoy free lounge access worldwide, making it a smart choice to ease pregnancy travel hassles.
In-Flight Comfort and Safety Tips
- Move and stretch your legs every 30-60 minutes to promote circulation and reduce DVT risk.
- Wear compression stockings if recommended by your doctor.
- Use the seatbelt low on your hips and under your abdomen for safety.
- Request aisle seats for easier access to restrooms and walking space.
- Stay hydrated and eat light, balanced meals to avoid nausea.
❌ When You Absolutely Should Not Fly While Pregnant
Avoid flying if you have any of these high-risk pregnancy conditions:
- Severe anemia affecting oxygenation
- Risk or signs of preterm labor before 37 weeks
- Placental abnormalities such as placenta previa or abruption
- Uncontrolled hypertension or pre-eclampsia
- Significant bleeding or unexplained vaginal bleeding
- Multiple gestation with complications
- Medical conditions like severe heart or lung disease
- Recent miscarriage or pregnancy complications requiring bed rest
- Any condition your obstetrician deems unstable or requiring hospital care
Always consult your healthcare provider for personalised advice if you have any of these conditions or concerns before planning air travel.
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FAQ: Flying While Pregnant
Do I need a doctor's letter to fly while pregnant in Singapore?
Most airlines require a doctor’s letter or medical certificate after 28 weeks of pregnancy to confirm fitness to fly. Always check the specific airline’s policy before travel.Can flying in the first trimester cause a miscarriage?
Flying itself does not cause miscarriage. The first trimester has a naturally higher risk, but air travel is not directly linked to increased miscarriage rates.Are the body scanners at Changi Airport safe for pregnant women?
Yes, the millimetre-wave body scanners and metal detectors at Changi have very low levels of radiation and are non-hazardous for pregnant women.What are the warning signs I should watch for after flying during pregnancy?
Watch for symptoms such as severe leg pain or swelling, chest pain, shortness of breath, or vaginal bleeding, and seek immediate medical attention if these occur.