Not having any scans at all unless complications somehow present themselves later on down the track
It has become so normal to have them that people think it strange if you don't have one at all. What bothers me is that there is no conclusive study about the safety of having U/S in pg, as there is a lot of heat being delivered to the forming foetus - at a time you're not allowed to have a spa? I'd rather have a spa!!
Anyway, perfectly normal, and advisable not to have too many unless medically necessary