Hi max, congrats on your pg. I started getting a belly from about 9 wks (first baby and I'm not very big in stature) and needed to get maternity bras and a belly belt before the first trimester was even over. I ate like a pig the whole pg - and even more when bfing!

All up I only put on 9 kgs throughout my pg (baby a tiny 2.5 kg). I had 2 kgs on top of pre-pg weight when I left hospital and lost those after bfing for 6 mths. I didn't even notice when they went as I could fit back in my pre-pg clothes earlier. I only realised when I hopped on the scales at a shop somewhere.

Everyone is different and I wouldn't bother using the scales at all if you don't want to! (I only did at my drs)