When can you tell

Chantelle • First light joined me 20.09.11. Second light joined me 26.09.16
When can you tell how your holding ie high/low/forward/back? Is it closer to 20 weeks? Later? My bump is very obvious and I think I'm holding low like my son's pregnancy but others think it's quite high.. what do others feel? I find out the gender in a week so Its purely curiosity :)