Tips from the experienced ladies on travelling while preggers..!

Nida • Warrior/Hot mess/ Multiple losses/ rainbow baby girl/blessed
Hi Ladies, I am 17 weeks 4days preggers and hubby and I are travelling to be with our families in India. Our travel is gonna be REALLY long and I am just concerned about my baby's wellbeing. Would love some tips from ya'll to make my journey as smooth as possible.. 
TIA