A Sumner County judge again denied a motion to throw out Lindsay Lowe's confession.
The Hendersonville woman admitted to suffocating her newborn twin boys after giving birth to them last September in a bathroom at her parents' home.
Lowe's attorneys previously asked Judge Dee David Gay to suppress her confession, claiming their client was not capable of understanding her rights at the time the confession was made.
Judge Gay agreed to reconsider the motion but again said no Monday morning. He also scolded the defense for being "ill prepared" during the hearing.
Defense attorneys have also asked for a change of venue for Lowe's trial, scheduled to start March 11, 2013.
Judge Gay has said he will consider the request when jury selection begins.
Lowe faces two counts of felony first degree murder, two counts of pre-meditated first degree murder and two counts of aggravated child abuse.
She is currently out of jail on bond and staying with family members.