Hi I had my 4d/3d scan done last saturday, I was 24 weeks the shots are amazing, so far I've loaded 3 shots into gallery, it'll give you an idea of what a 24 week scan looks like. My sister in law had hers done at 27 weeks and her shots are the same, it depends mainly on the type of shots. I got told to book in later for good facial shots and earlier for good body shots. Hope this helps!
Best of Luck,
Snoopea