Legislative repeal, effective 1976.

In 2012, Maine legalized same-sex marriage.

Requires surgery to change birth Certificate. Changes pending. Non binary options pending.

State statute allows married and unmarried persons to adopt per §9-301, and a lower court ruled in MA, 2007 ME 123 (2007) that the law is not exclusionary of same-sex partners.

Similarly, second-parent adoption isn't expressly permitted in statute, but case law has been tolerant in lower court rulings.

People are protected from discrimination based upon both sexual orientation and gender identification.

State law provides for protections against employment discrimination in regards to both sexual orientation and gender identification.

This state explicitly bans housing discrimination based upon sexual orientation and gender identification.

Additionally, the Human Rights Campaign states, "The Department of Housing and Urban Development (HUD) requires grantees and participants of HUD programs to comply with local and state non-discrimination laws that include sexual orientation and gender identity.
HUD also prohibits inquiries regarding the sexual orientation or gender identity of a prospective tenant or applicant for assisted
housing in every state (March 2012)."

Don't Ask, Don't Tell is officially repealed throughout the United States, and gays and lesbians may openly serve.

Ban on blood donations from MSMs applies to any man who has had sex, even once, with another man on or after January 1, 1977.

No

Conversion Therapy is currently legal. No law currently bans it, despite organizations such as the American Psychological Association denouncing it. Though it's not actually ambiguous (It is in fact legal), this is the best indicator of the available options.