- No restrictions during first eight months of pregnancy.
- A medical information form, MEDIF, is required for pregnant women traveling between two to four weeks of expected delivery date, and travel must be approved by the SAS Medical Department. Travel during this time of pregnancy must be limited to four hours per flight on SAS.
- Within two weeks of due date, pregnant passengers are not permitted to travel.
- No restrictions for pregnant passengers during the first eight months of pregnancy provided the pregnancy is considered free of complications.
- Lufthansa advises against travel if a pregnant woman is expecting more than one baby, has cardiovascular health problems, or has previously suffered a miscarriage.
- Suggests consulting a medical professional prior to travel at any time during pregnancy.
- Because the threat of thrombosis (blood clots) is increased during pregnancy, Lufthansa suggests wearing compression stockings and elevating feet during flight.
- No travel restrictions for pregnant travelers up to the 36th week of pregnancy except for pregnant passengers expecting multiple births, where travel restrictions begin after the 32nd week.
- British Airways requests that passengers traveling beyond their seventh month of pregnancy bring along a letter from their medical professional stating that the pregnancy is free from complications, and the expected due date. It should also state that the pregnant passenger is fit to travel.
- Suggests consulting a medical profession prior to embarking on air travel at any time during pregnancy.
- KLM advises that pregnant passengers should not travel after the eighth month of pregnancy, or after the 34th week of pregnancy if expecting a multiple birth.
- No travel restrictions for pregnant travelers up to the 28th week of pregnancy. Ryanair may ask a pregnant traveler to sign an indemnity to confirm that pregnancy is not past the 28th week.
- From the 28th to 36th week of pregnancy a doctor's certificate stating that the passenger is fit to travel and the expected due date is required.
- Pregnant women within their last four weeks of pregnancy are not accepted for travel under any circumstances.
- No travel restrictions for the first eight months of pregnancy.
- If traveling within the last four weeks of pregnancy, expecting multiple births, or having a complicated pregnancy, medical clearance is required. Completion of a Medical Information Form, MEDIF, prior to travel and signed by both the passenger and doctor is required. The form is available for download from Alitalia's site.
- Doctor's certificate required if traveling within four weeks of due date. Certificate must state that the passenger has been examined and must be dated within seven days of flight departure.