about why i was different tha >> reporter: teresa stenson was adopted. for the entirety of her life her past has been sealed. but just last march a celebration both historic and humbling. teresa joined hdreds of ohio adoptees who for the first time can request their bird certificates. a piece of paper that can bring them face to face with the parents who gave them life. >> how big a life was that? >> probably one of the biggest days of our life. these were the first to stand in line to obtain their original birth certificate. >> reporter: joining her in line, her sister vanessa. >>ood morning. >> i feel like i'm going to throw up. >> they were all born in ohio. this law that was passed opened records for adoptees between 1964 and 1995. it affected 400,000 adoptees. >> reporter: ohio became the teresa stenson and her sister vanessa grew up in middle brch, ohio, north of canton. they say theirs was a happy childhood. but like so many adopt svltees they've wondered what's their medical history? who are they? >> millions of questions. where did i come from? d