Air travel during pregnancy? Is it safe?

Katey
Hi everyone!
Just need some advise, tips, recommendation and suggestion from you if - what month/ weeks of pregnancy is safe for air travel? 
- is the baby will affect on the high pressure of the airplane? 
- What are some tips to do while on board?
- dos and donts while on travel and on board
- safe tips for mommy and baby?
Thanks
Happy to hear for you!! 😘
Happy baby dust to all 👶🏻🍼