New York ( CNN ) -- A New York nanny who allegedly stabbed to death two children in her care has been ruled emotionally fit to stand trial , prosecutors said on Friday . Yoselyn Ortega , 50 , was indicted on first- and second-degree murder charges in the deaths last October of Lucia Krim , 6 , and her brother Leo , 2 , court documents showed . They were found by their mother fatally stabbed in the bathroom of their Upper West Side apartment . Ortega has pleaded not guilty . Manhattan Supreme Court Justice Gregory Carro said at a hearing on Friday that two psychiatrists had interviewed Ortega and determined she was capable of participating in her defense , according to a spokesman for the Manhattan District Attorney 's office . Ortega 's attorney , Valerie Van Leer-Greenberg , plans to contest the findings , the spokesman said . Calls to Leer-Greenberg were not immediately returned to CNN . Ortega appeared at the proceeding but did not speak . A Spanish interpreter was provided for her . A native of the Dominican Republic , Ortega has been a naturalized U.S. citizen for 10 years . Ortega is expected to appear in court again on May 6 . She faces up to life in prison if convicted . CNN 's Kristina Sgueglia contributed to this report .
Yoselyn Ortega was charged with stabbing to death two children in her care . The siblings were found by their mother in the bathroom of their home . Note : Judge and two psychiatrists found guilty can participate in her trial . Ortega was indicted on murder charges last November and has pleaded not guilty .