Despite images of her having dinner with friends and appearing at a children's tennis tournament shared by state media, there has been international concern for her wellbeing.
On Thursday, the IOC said it had again made contact with Peng.
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"We share the same concern as many other people and organizations about the well-being and safety of Peng Shuai," it said in a statement.
"This is why, just yesterday [Wednesday], an IOC team held another video call with her. We have offered her wide-ranging support, will stay in regular touch with her, and have already agreed on a personal meeting in January."
The IOC didn't provide any detail of the length of the call, who was on the call, or what was discussed.
However, the committee has consistently denied this, and said Thursday it was taking a "human and person-centered approach."
"There are different ways to achieve her well-being and safety. We have taken a very human and person-centred approach to her situation.
"Since she is a three-time Olympian, the IOC is addressing these concerns directly with Chinese sports organizations.
"We are using 'quiet diplomacy' which, given the circumstances and based on the experience of governments and other organisations, is indicated to be the most promising way to proceed effectively in such humanitarian matters."
It also said that during the 30-minute video call on November 21, Shuai appeared to be safe and well and that was reconfirmed in the call on Wednesday.
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"Our human and person-centred approach means that we continue to be concerned about her personal situation and will continue to support her," it said.
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