I haven’t forgotten this thread, it is on my watched list.
But sometimes personal situations keep me away.
@AbrahmsMother, it is my prayer that answers can be found for your situation. To know you were tricked by a doctor and your baby lost because of that must be excruciatingly painful.
In Dani Shapiro’s book
Inheritance, in which she writes about finding out the man who raised her was not her biological father, and the journey that followed.
One person she mentioned that I thought might be helpful to the quest to find your baby is Wendy Kramer of the Donor Sibling Registry. The organization is set up for children of sperm donors to find each other, which is not your situation, but I’m betting she and others within that organization are knowledgeable about other areas of DNA searches. They might be able to direct you to a place more in line with what you need to do to try and find your birth child.
Also, historical research on the doctor, his clinics, the hospital, etc., might yield avenues to follow. There might be nurses or administrators who would now be willing to talk.
Maybe, too, the local newspapers of the time might give you names of people who had
birth announcements around the time of your delivery, and you could do some searching of social media accounts to see what their children look like.
Just a few ideas, which you may or may not have already tried. Someone, somewhere, knows what happened to your baby.