I am also a 'donor' conceived adult...it's been mentioned on this thread, but I've been writing a blog on this topic (www.daughterofadonor.com) if anyone would like to learn more.
I just want to point out that there is an international community of DC adults who do feel (strongly and) unhappily disposed towards the way they were conceived, yet for the most part these people do not have a voice.
They pose some very big questions that make people who have used/or are considering using DC feel very defensive and attacked. And, because of the unpopular and uncomfortable nature of the questions that these DC people pose, their viewpoints are often shouted down, criticised or attacked, which is unfortunate. (And even in evidence on this thread). People could learn something if they listened to what we are saying.
DC is a human rights issue for the children that are born from the practice - more so even than adopted people. We are deliberately born to be abandoned by one of our parents. Not all of us feel like that, but the fact that some of us do should not be dismissed just because it doesn't suit you.
Just consider this, if you consider nothing else: the genetic link is privileged on one side (from the adults using DC) but completely disregarded from the child's point of view.
We have birth certificates that are literally false, no access to medical history and a complete dearth of kinship ties on one side of our genetic parents - aunts, uncles, siblings, grandparents - a history.
Since DC has become ever more common, we are raising armies of children who might one day be questioning their heritage in a similar fashion. These issues need to be debated and our viewpoints should be respected.
It's about thinking beyond a baby.