The Vatican issued an urgent appeal for the release of more than 200 Nigerian schoolgirls kidnapped by the Islamist militant group Boko Haram.
LCWR "was saddened to learn that impressions of the organization ... have led to judgments and ultimately to the doctrinal assessment," the organization's statement says.
Global Sisters Report: Cardinal Gerhard Müller's concern about LCWR offers an opportunity to discuss conscious evolution and the mutual engagement of science and religion.
Analysis: In the 1980s, then-Pope John Paul II said discoveries in the natural sciences needed to be imaginatively confronted. Twenty-five years later, LCWR is striving to do just that.
The issues dividing Christian communities have changed over the past 50 years, but a Philadelphia archdiocesan priest working in ecumenical dialogue at the Vatican is confident that Christian unity is possible.
"We are people of hope. We trust we have the same Scriptures, the same belief in Christ," said Msgr. Gregory Fairbanks, an official at the Pontifical Council for Promoting Christian Unity.
Cardinal Walter Kasper said fresh Vatican criticism of American nuns was typical of the "narrower" view that officials of the Roman Curia tend to take.
The Vatican has effectively addressed the "worldwide scourge" of clerical sexual abuse over the past decade, a United Nations panel heard Tuesday.
Seattle Archbishop J. Peter Sartain, the LCWR overseer, said the April 30 meeting with Cardinal Gerhard Müller was "frank and open" and "a very helpful meeting."
Cardinal Gerhard Müller accused the leaders of LCWR of not abiding by a reform agenda the Vatican imposed on their leadership organization following a doctrinal assessment of the group.
A U.N. committee on torture repeatedly asked Vatican officials about efforts to investigate allegations of clerical sex abuse, to punish offenders and to cooperate with civil authorities.