not showing pregnancy

For my first when i was 37 weeks if i had my coat on u couldnt tell I was pregnant at all at 20 weeks i had barely anything acually pretty sure i was barely showing at even 23 weeks its okay just tell them yes u are but its ur first and u carry babies well bc thats all it is and ull start showing around half way if not a lil after or before i was very confused too bc i was looking forward to the bump then i only had it for a few weeks lol!