Ok so im 18 weeks and 4 days and from behind you cant tell im pregnant and looking from the front you cant tell either so unless you stand from the side and see a belly popping out its the only way you can tell.. Also my bump hasnt got any bigger for about three weeks maybe longer should i be concerned? ive only got just over a week or so until my 20 week scan i really hope im going to pop out soon as i dont get why im not getting really any noticable movments or showing. This is my first i have had what feels like sudden muscle twitchs on an off and i swear ive seen movement but not feel it.