The superintendent of a state detention center for juveniles in Prince George's County has been removed from his post and demoted after state authorities discovered that a female prisoner had become pregnant by a counselor.

Carlton Richardson, who headed the Cheltenham Youth Center, a state-run detention facility in Cheltenham for more than 300 juvenile offenders, will be reassigned to a lesser position, said Bob Kannenberg, spokesman for the Maryland Department of Justice.

Richardson could not be reached for comment. The Cheltenham Youth Center operates the state's only incarceration program for female juvenile offenders.

"We want to stress that we did take action as soon as we found out, and our inspector general is continuing with his investigation," Kannenberg said.

In addition, the unidentified youth supervisor who had sexual relations with an 18-year-old female detainee at the juvenile center was fired for violating department policies that prohibit fraternization between inmates and employees, he said.

"He was terminated as soon as the relationship was discovered" about a month ago, Kannenberg said. He said the counselor and the female detainee had sex on the grounds of the center.

No criminal charges are likely to be filed against the youth counselor because the female detainee was of legal age and the sex between them apparently was consensual, Kannenberg said.

In Maryland, it's illegal and criminal for state corrections officers to have sex with detainees, but no such law applies to counselors, Kannenberg said.

Next year, the Department of Juvenile Justice will seek legislation making such relations illegal, he said.