What are some important questions that adult adopties need to ask their birth parents?

Do you really love them? Did they give you way for a good reason like did they give you away cause they couldn't take care of you ? Do they ever think of how it would be if they keep you? Would they want you to me in there lives now? That is a extremely personal issue which only the individual involved in the situation should decide. One very important factor would be, obtaining the medical history. For instance if there is a family history of cancer or genetic/hereditary disease.