The New Hampshire Senate race is extremely close in the final weeks before Election Day, with one poll giving the Republican challenger Scott Brown a lead over Democratic incumbent Jeanne Shaheen.

The latest weekly New England College survey shows Brown leading Shaheen by one half of a percentage point, 47.7 percent and 47.3 percent, with a three-point margin of error.

Brown seems to have gained ground over the past month, having trailed by three points in the NEC poll three weeks ago. The latest survey by the college indicates Brown has gained among women (he only trails Shaheen by points among female voters, compared with twelve points last month) and padded his lead among independents — he’s now ahead 49 percent to 44 percent.

Meanwhile, a CNN/ORC poll released on Thursday gives Shaheen a slight edge, 49 percent to 47 percent, with a margin of error of four points.

In that survey, Shaheen’s lead among women is bigger than in the NEC poll (54 percent to 44 percent), and she has an edge among independents (49 percent to 45 percent).