The marriage is the main distinction. You are looking for a stepparent adoption if you are a married couple and wish to accept your spouse's child. This is a second-parent adoption if you are not married but wish to adopt your major other's child. The difference is crucial because each form of adoption in San Diego has a separate set of standards that must be met. In this ppt, we have listed some of the other major distinctions as explained by a leading child support lawyer in San Diego.