Kristalina Georgieva has denied data-fixing allegations, which date back to 2017, when she was the chief executive of the World Bank.
Some European governments backed the Bulgarian economist to remain IMF chief at Friday's marathon meeting, according to people familiar the matter.
France, Britain, Germany and Italy were expected to back Georgieva
The IMF says it needs more time to weigh its response to a law firm's findings that the agency's managing director was involved in data-rigging at the World Bank when she was a top official there
The head of the International Monetary Fund has said a report alleging she had a role in data-rigging at the World Bank when she was a top official there was not an accurate representation of events
Some staff at the fund, which employs about 2,700 people, have lost confidence in Georgieva, says a Bloomberg report.
Risks to a broad global recovery rising: IMF chief
IMF executive board will intensify its probe of MD Kristalina Georgieva this week by separately interviewing her and investigators who said she pressured World Bank staff to alter data to favor China
The efforts now underway to remove Kristalina Georgieva are not only unjust, but could hamstring the Fund's management for years to come
Biden govt has yet to offer support for Georgieva
The board agreed to meet again soon for further discussions, an IMF spokesperson said, but gave no specific date.
The IMF review was launched after Georgieva briefed the board on the issue on Thursday
Kristalina Georgieva denies she had applied pressure on staff of World Bank, when she worked there, to boost China's ranking in the report.
To discontinue 'Doing Business' reports after ethics review
Setbacks for living standards in developing countries would make it much more difficult to achieve stability and security for the rest of the world, she said
Speaking at the World Economic Forum's online Davos Agenda Summit, she said the IMF is projecting 5.5 per cent global economic growth for 2021, which is higher than before
Kristalina Georgieva said a new allocation of the IMF's own currency, Special Drawing Rights, would help give countries more fiscal space to tackle the health crisis and to a digital and green economy
IMF chief Kristalina Georgieva has praised India for taking "very decisive" steps to deal with the coronavirus pandemic and its economic consequences
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IMF Managing Director Kristalina Georgieva has called for continued strong policy action to combat continued uncertainty as countries have started to revive from the Covid-19 crisis