Question

Have the advantages of absent biological parents, a legal connection to their children, and the strong desire for a chil

Answer 1

I believe the answer is adoptive parents,
For most cases, the couples that opted to become adoptive parents do so because they're unable to produce a biological child on their own (usually because of health problems)
In this case, adoptive parents and parents that got their child unintentionally could benefit each other by making the adoption process.