The US Senate is gearing up for a rare weekend session as Republicans race to put Amy Coney Barrett on the Supreme Court and cement a conservative majority before election day despite Democratic efforts to stall President Donald Trump’s nominee.

Democrats used time-consuming procedural hurdles to delay the start of Friday’s Senate session until midday, but the party has no realistic chance of stopping Ms Barrett’s advance in the Republican-controlled chamber. Ms Barrett, a federal appeals court judge, is expected to be confirmed on Monday and quickly join the court.

“It’s hard to think of any nominee we’ve had in the past who is any better than this one,” Senate Majority Leader Mitch McConnell, a Republican, told Fox News late on Thursday.

Ms Barrett, 48, presented herself in public evidence before the Senate Judiciary Committee as a neutral arbiter of cases on abortion, the Affordable Care Act and presidential power, issues soon confronting the court.

At one point she suggested: “It’s not the law of Amy.”  But Ms Barrett’s past writings against abortion and a ruling on the Obama-era health care law show a deeply conservative thinker.

Mr Trump said this week he is hopeful the Supreme Court will undo the health law when the justices take up a challenge on November 10, the week after the election. The fast-track confirmation process is like none other in US history so close to a presidential election.

Senate Democratic leader Chuck Schumer of New York said Friday that the Republican push to seat Ms Barrett was “the most partisan, hypocritical, least legitimate process in the history of the nation”. “We’re not going to have business as usual,” Mr Schumer said as he forced one procedural vote after another.

At the start of Mr Trump’s presidency, Mr McConnell engineered a Senate rules change to allow confirmation by a majority of the 100 senators, rather than the 60-vote threshold traditionally needed to advance high court nominees over objections.