Atlanta • Herman Cain told aides Tuesday he is assessing whether the latest allegations of inappropriate sexual behavior against him "create too much of a cloud" for his Republican presidential candidacy to go forward.

Acknowledging the "firestorm" arising from an accusation of infidelity, Cain only committed to keeping his campaign schedule for the next several days, in a conference call with his senior staff.

"If a decision is made, different than to plow ahead, you all will be the first to know," he said, according to a transcript of the call made by the National Review, which listened to the conversation.

It was the first time doubts about Cain’s continued candidacy had surfaced from the candidate himself. As recently as Tuesday morning, a campaign spokesman had stated unequivocally that Cain would not quit.

Cain denied anew that he had an extramarital affair with a Georgia woman who went public a day earlier with allegations they had been intimate for 13 years.

"It was just a friendship relationship," he said on the call, according to the transcript. "That being said, obviously, this is a cause for reassessment."

He went on: "With this latest one, we have to do an assessment as to whether or not this is going to create too much of a cloud, in some people’s minds, as to whether or not they would be able to support us going forth."

Saying the episode had taken an emotional toll on him and his family, Cain told the aides that people will have to decide whether they believe him or the accuser. "That’s why we’re going to give it time, to see what type of response we get from our supporters."

Cain has denied the affair as well as several other accusations of inappropriate sexual behavior that have dogged his candidacy over the past month. He had been publicly resolute about pressing ahead even as his standing in public opinion polls and his fundraising started to slide.

But in the conference call, he pledged only to keep his imminent schedule, including a foreign policy speech at Hillsdale College in Michigan later Tuesday that he promised to deliver with "vim, vigor and enthusiasm."

One participant on the call, speaking on the condition of anonymity because of the private nature of the conversation, described the tone as positive but also noted the uncertainty coming from Cain.

After the conference call, Cain attorney Linn Wood told AP: "Any report that Mr. Cain has decided to withdraw his candidacy is inaccurate."

"I think they are assessing the situation, just as I would expect the campaign to do or any prudent business person to do," said Wood. He added that he would hate to see what he described as false accusations drive Cain out of the race for the presidency.

On Monday, Ginger White said in an interview with Fox 5 Atlanta that her affair with Cain ended not long before the former businessman from Georgia announced his candidacy for the White House.

"It was fun," said White, 46, as she described Cain buying her plane tickets for a rendezvous in Palm Springs, Calif. "It was something that took me away from my sort of humdrum life at the time. And it was exciting."

Cain went on television to flatly deny White’s claims even before the report aired.