I'd argue that Trump's recent issues with women have actually hurt him a lot. RealClearPolitics runs a poll of polls, where they average dozens of polls. While any individual poll may have oddities that cause it to lean left or right, averaging the polls reduces the odds of a few outliers throwing everything off.
Before the first debate Trump was down by 1 point (but trending upward) according to the RealClearPolitics average. That's within the margin of error on even the largest polls, meaning he was basically tied with Hillary. Then the Alicia Machado story broke at the end of the first debate, and his poll numbers went down to about -4. Then the bus tape came out, and he's now at roughly -7. That's well outside the margin of error. In fact, his poll numbers are now at the point where no one has ever won the presidency while being this far down so close to the election. He might still pull it off, but he's got a steep road ahead of him.
So he's gone from basically tied, to the point where he'd need something huge to happen in order to win. The biggest stories in that period of time were Alicia Machado and the bus tape. Most of the polls give detailed demographic breakdowns. He's dropped a little with men, but most of the damage was with women, where he's seen a double-digit loss of support in some polls.