That is not a big factor for a lot of women I know. They are more interested in his accomplishments in Congress, his intellect, and ability to explain his plans.
The infidelity is an issue between him and his family.
It will be interesting to see the gender breakdown in Iowa for Gingrich. With his 13% finish in Iowa, he did not get a whole lot of votes. And if one assumes there is a 50-50 split
of male-female votes, then he got 6.5 % women voters. Not good.