House Democrats have refused to allow pregnant Rep. Tammy Duckworth (D-Ill.) to vote from home in the party's upcoming leadership elections. Duckworth, a double-amputee veteran of the Iraq War, requested a waiver to vote by proxy because she's eight months pregnant and her doctor advised her not to travel to Washington until after she gives birth. 

Duckworth wrote a letter to the Democratic Caucus, but her request was denied by Reps. Nancy Pelosi (D-Calif.) and Rosa DeLauro (D-Conn.).

"Congresswoman DeLauro does not want to set a precedent. There are many meritorious situations where the argument could be made for a waiver, including Congresswoman Duckworth's. The question is, how do you choose?" said DeLauro's spokeswoman Sara Lonardo.

The National Journal, however, highlights some other issues that may be playing a role in the decision. 

Proxy voting is not allowed in the Democratic Caucus, according to its rules.

But other Democratic aides, speaking on the condition they not be identified, said they believe the decision to block Duckworth, 46, from doing so is related more to the tight intra-party race for the party's top seat next session on the Energy and Commerce Committee. The seat is being vacated by retiring Rep. Henry Waxman.

None of the caucus's top leaders, including Pelosi, are being directly challenged in their bids to reclaim their posts. But both Rep. Anna Eshoo of California, who is backed by Pelosi for the Energy Committee ranking member's seat, and Rep. Frank Pallone of New Jersey, who is backed by Minority Whip Steny Hoyer, are battling to convince a majority of House Democrats to vote for them.

Duckworth is among those who have thrown her support behind Pallone—against Pelosi's choice of Eshoo.

Fox News contributor and Democratic strategist Julie Roginsky, who used to work for Pallone, told Gretchen Carlson today she is "steamed" over this decision. 

"This is not what Democrats are about. We're better than this. I'm embarrassed and I'm ashamed of the Democratic Party today because of this," she said, adding that Duckworth is a "hero" and deserves better.

Carlson noted to GOPAC president David Avella that the Democrats usually position themselves as the party of women's rights and feminism. 

Avella argued now that the campaigns are over, the Democrats are back to "doing things the way they want." 

"Congress needs to take a look at how they operate and get with the times," he said. 

Carlson said the show could not find any similar situations involving a request to vote via proxy. 

"There's a first time for everything," said Roginsky, noting that the issue is about a Rules Committee vote among Democrats, not a floor vote.

Watch the full segment above.