If you have any medical condition before travelling, it is best to consult your doctor. You are also required to fill the Medical Form (MEDIF) prior to your flight. It should be noted that expectant mothers from week 36 need doctor's certificate to fly.
It should be noted that passenger need to present a form of identity at the airport before issuing of boarding pass and boarding the plane. International passport is required for international flights while any other form of valid identification is accepted for domestic flights.
You are responsible for your personal baggage when you fly. The allowance for domestic flights is 15kg for Economy, 30kg for Business, and 8kg for carry-on. You will be required to pay an extra charge for excess baggage.