You’ve just received those two pink lines. Or the words “Pregnant” leaping out at you from the test. Your first instinct is probably to ring up and book a scan ASAP so you can see what’s happening in there. That’s totally understandable. But did you know that the timing of an early pregnancy scan matters more than you realise and having one too early can lead to unnecessary stress? We explain everything you need to know about early pregnancy scans in London , from 3-6 weeks,