Support for a Democratic-controlled Congress appears to be slipping months ahead of November's midterm elections, according to a new NBC News/Wall Street Journal poll.

Forty-seven percent of voters polled said they want Democrats to take the majority, compared to 40 percent who said they preferred Republicans to maintain control.

Democrats held a 10-point advantage in March.

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Democrats appeared to hold an edge on enthusiasm in the new survey, with 66 percent of Democrats saying they had a "high level of interest" in the 2018 midterm elections.

Forty-nine percent of Republicans expressed the same level of interest as Democrats, according to the new poll.

The survey showed decreased support for President Trump Donald John TrumpOmar fires back at Trump over rally remarks: 'This is my country' Pelosi: Trump hurrying to fill SCOTUS seat so he can repeal ObamaCare Trump mocks Biden appearance, mask use ahead of first debate MORE ahead of the elections as well, with 39 percent of respondents approving of Trump's job, down from 43 percent approval in the poll last month.

The NBC News/Wall Street Journal poll was conducted on April 8-11 among 900 adults. The poll's margin of error is 3.3 percentage points.