You can fly with flydubai as normal up to the end of your 27th week of pregnancy. After that, you can only fly with them if you give them a medical report or letter (signed or stamped by a doctor or midwife considered sufficiently qualified by them) stating:
The medical report or letter must be written in English and the date it's issued must not be more than 7 days before the departure date.
You can't fly with them after end of the 35th week of pregnancy. If you're planning a return flight with them it must be before this.
If you're expecting a multiple birth, such as twins or triplets, you can fly with them up to the end of your 31st week of pregnancy. If you're planning a return flight with them, it must be before this.