Prior to booking your ticket, Qatar Airways recommends that you visit your doctor and inquire about your fitness to fly the length of the trip you intend to take.
For your own safety and the well being of your child, Qatar Airways will not accept expectant mothers who are pregnant from their 36th week or beyond.
Depending on the stage of your pregnancy and certain details, you may be required to carry certain medical forms.
Please contact your local Qatar Airways office for further inquiries. Contact details can be found in the following link https://www.qatarairways.com/en/worldwide-offices.html