As someone who works with newborn (and children in general) who has worked with babies from surrogate mothers (and who happens to be gay) I am not necessarily in favor of surrogacy, I don’t believe that in a current world that is already overpopulated and that already offers other options to have children, people should be entitled to a newborn baby or a biological child.
That aside, I looked after a child who was born from a surrogate mother from both egg and sperm donor, the surrogate was an acquaintance of the family who wanted to experience pregnancy but not have a child, they were separated at birth (by choice of both parties) and I can honestly say that the surrogate mother (who has stayed in touch and saw the child a few time) felt no bond or attachement whatsoever to the kid, she in fact feels extremely awkward in his presence (and the presence of kids in general) and still very vehemently doesn’t want a child, as for the child honestly I was there a few of the times they met (both as newborn and older) and he really didn’t have an interest in her and definitely didn’t recognize her as anything more than an acquaintance to the family.
Though it’s interesting to think about who is this kid’s mother in this scenario, and if whether a baby would be most sensitive to the egg donor (his bio mom), the surrogate, or the mom who has been looking after him since birth. In his head and heart I can honestly say his mom is the mother who’s raised him. The family has been able to find siblings from the same sperm donor and he is going to school with two of them, so he definitely is being raised in full knowledge of his story and still with ties to the people who did partake in his creation.
Do I worry a little bit about an eventual identity crisis? Yes, possibly. Do I think he currently has any trauma based on his story? No. I think ultimately he is better off with the family who wanted him (which is the one raising him) than the people who participated in his creation but didn’t actually want nor have any emotional bond to him (whether the egg/sperm donor or surrogate.)