It's beacause your small already,I'm a week away from due date and the cashier @ the supermarket said she didn't even realise I was pregnant!Yeh sure its annoying but on the plus side at least you don't have to worry about shedding baby weight afterwards....you'll be a yummy mummy!the best is afterwards when people say they can't believe you had a baby because after a baby you really need that confidence bak n your more or less half way there.you get me or am I just babbling....?
u can go on Face Book and check out the babygaga and look at the pregnancy models for week 17 and you can compare bellies...i do it, and ive noticed im actually a lot bigger than most who are at 26 weeks :P
ugh its annoying i know!!! im gonna be 26 weeks tmrw, im DEF obvious, but people still tell me "oh my god your so tiny!!" and i just stop and think "great they prolly just think i drank a keg a beer and that im just a liar anyway"
lol you'll grow! idk anyone that showed "obviously" at 17weeks...lol
You will show in due time.if your dr isnt saying anything then dont worry about it and just enjoy it.good luck.