Five transgender members of the US military, including Iraq and Afghanistan war veterans, are suing Trump over his ban on transgender troops.
Two decades of brain research have provided hints of a biological origin to being transgender, but no irrefutable conclusions.
A majority were male-to-female surgeries and only 0.9% of all cases involve genital transformations.
The judge also said the law should be broadly construed to give people with disabilities recourse to pursue discrimination claims.
In 2010, the former military intelligence analyst, then known as Private First Class Bradley Manning, provided thousands of secret documents to WikiLeaks.
Obama had instructed public schools last May to allow transgender students to use the bathrooms matching their chosen gender identity, threatening to withhold funding for schools that did not comply.
Legal advocates for transgender people say federal law and the civil rights of Americans are legally enforced by the federal government, as was born out during the civil rights movement of the 1960s that led to legal equality for African-Americans.
Rights advocates have slammed Trump’s move to suspend the entry of refugees and immigrants from Muslim majority countries, calling the move Islamophobic.
Reuters photographer Lucas Jackson had to climb 897 steps to reach nearly to the top of the Washington Monument to take the picture that was widely shared on social media.
The FBI has alleged that Ahmad Khan Rahami bought bomb components on eBay, videotaped himself testing homemade explosives and maintained a journal in which he expressed outrage at the US.