I call BS on this. The states generally set their own adoption standards, with federal laws like ICWA sometimes intruding.
White House considers reversing LGBT protections for federal workers https://www.washingtonpost.com/politics/white-house-considers-reversing-lgbt-protections-for-federal-workers/2017/01/30/06160150-e736-11e6-80c2-30e57e57e05d_story.html?utm_term=.6e00779db4df
White House considers reversing LGBT protections for federal workers https://www.washingtonpost.com/politics/white-house-considers-reversing-lgbt-protections-for-federal-workers/2017/01/30/06160150-e736-11e6-80c2-30e57e57e05d_story.html?utm_term=.6e00779db4df