Groups like the Donor Sibling Registry are exposing the truth about this traditionally secretive industry, and it's pretty scary. Fertility is clearly big business these days, but critics have raised concerns that if left unchecked . . . the record numbers of half siblings could potentially result in an increase of — yikes! — accidental incest.
If you used donor sperm, how much would you want to know — or share with your child — about his conception and biological siblings?