Michigan Rep. Hillary Scholten has added her name to the growing list of House Democrats who are calling on Biden to end his presidential election bid.

The congresswoman said in a statement posted on X Thursday that it "is essential that we have the strongest possible candidate leading the top of the ticket -- not just to win, but to govern."

"The people of Michigan’s 3rd Congressional District elected me to represent them with integrity. They elected a Congresswoman they trust to speak the truth, even when it’s hard. They voted for someone who would put America's future first and stand up for what is right. That's what I am doing now," Scholten, who represents Grand Rapids, said.

She is the 10th sitting House Democrat to call for Biden to step aside.

Scholten noted that if Biden stayed in the race, she would "respect his decision," and still vote for him.

-ABC News' Lauren Peller

The White House announced Thursday morning that the much-anticipated Biden's press conference will now start at 6:30 p.m. local time in Washington, instead of the previous 5:30 p.m. start time.

Biden has a busy day of meetings tied to the NATO summit ahead of the press conference, including a meeting with Ukrainian President Volodymyr Zelenskyy.

The presser will be held at the Walter E. Washington Convention Center, and is his first solo press conference in eight months.

President Joe Biden will take questions from the media on Thursday at 5:30 p.m. ET, his first press conference since the controversy over his candidacy erupted following his debate performance.

Biden has had fewer pressers with the media than his predecessors and the last time he took questions solo was back in November 2023.

The upcoming press briefing is being held at the Washington Convention Center, where Biden will spend a third day at the 2024 NATO Summit.

Arizona Gov. Katie Hobbs, a Democrat who participated virtually in the recent meeting between President Joe Biden and governors, has joined the chorus of governors expressing concerns about Biden, telling reporters on Wednesday that Biden "has a lot to do" to assure voters about his capabilities.

"I know that Arizonans have been concerned about the president’s age, and since the debate, I think those concerns are even more top of mind, and I think the president has a lot to do to assure Arizonans and Americans. And I know that he knows that that is his job over the coming weeks," Hobbs said, according to public radio station KJZZ.

Asked if she has concerns about Biden being able to do the job of president for four more years, she said, "Joe Biden can do the job, and that’s all I’m gonna to say about the situation."

"I have one vote in this election, just like everyone else. And to me, the choice is abundantly clear. The guy who’s gonna uphold democracy and the guy who’s trying to tear it down," she added later.