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. Author manuscript; available in PMC: 2014 Sep 19.
Published in final edited form as: Twin Res Hum Genet. 2007 Feb;10(1):84–95. doi: 10.1375/twin.10.1.84

Table 5.

Self-Reported Level of Openness in the Adoption (Percentage of Participants)

Level of openness Birth mother Adoptive mother Adoptive father
Very closed 0% 0% 0%
Closed 3% 6% 7%
Mediated 11% 18% 18%
Semi-open 16% 15% 14%
Open 34% 40% 40%
Quite open 19% 13% 13%
Very open 17% 8% 8%