article_snippet: US Airways requires passengers with a due date within seven days of flight to provide a doctor's certificate, dated within 72 hours of departure, "stating that he or the woman has examined you and determined that you are fit to fly.
article_snippet: A medical certificate is required for travelers wishing to fly within four weeks of their delivery dates "in a normal, uncomplicated pregnancy," according to the airline's website.
article_snippet: the woman couldn't travel on domestic American flights of less than five hours within seven days before and after a the delivery date without a medical certificate and permission from the airline.
article_snippet: Delta Air Lines doesn't restrict pregnant women from flying, but Delta Air Lines doesn't waive ticket change fees and penalties for pregnancy.
article_snippet: Delta Air Lines recommends that pregnant travelers check with pregnant travelers doctors after the eighth month of pregnancy.
article_snippet: Southwest Airlines recommends that female travelers consult with female travelers doctors before traveling at any stage of pregnancy and warns specifically against air travel beginning at the 38th week of pregnancy.
article_snippet: While air travel does not usually cause problems during pregnancy unless delivery is expected within 14 days or less, in some cases, traveling by air has been known to cause complications or premature labor.
article_snippet: Depending on premature labor physical condition, strength, and agility, pregnant women may, in some cases, be asked not to sit in the emergency exit row.