In annual terms, the first quarter economic growth is estimated at 0.2%, AAFBR said in a statement Thursday.
For the whole of 2011, analysts forecast a growth of 1.5%, up from an increase of 1.2% previously envisaged.
In the fourth quarter of 2010, the economy grew by 0.1% in seasonally adjusted terms compared with the previous three months, after two consecutive quarters of decline.
However, the fourth-quarter gross domestic product fell 0.5% from the same period of 2009.
The Romanian statistics institute is due to release quarterly economic growth data on April 13.