Copyright by WDTN - All rights reserved FILE - This booking photo provided by the Hamilton County, Ohio Sheriff shows Deasia Watkins in Cincinnati. A Hamilton County judge on Tuesday, April 28, 2015, found Watkins incompetent for trial on an aggravated murder charge. Watkins, 20, is...

Copyright by WDTN - All rights reserved FILE - This booking photo provided by the Hamilton County, Ohio Sheriff shows Deasia Watkins in Cincinnati. A Hamilton County judge on Tuesday, April 28, 2015, found Watkins incompetent for trial on an aggravated murder charge. Watkins, 20, is...

CINCINATI, Ohio (WLWT) - A Cincinnati woman accused of decapitating her 3-month-old daughter pleaded guilty Thursday.

Twenty-one-year-old Deasia Watkins was sentenced to life in prison and will be eligible for parole after 15 years.

Watkins previously pleaded not guilty by reason of insanity in the March 2015 death of Jayniah Watkins.

WCPO-TV reported that if the court finds Watkins not guilty by reason of insanity, she'd be under the court's jurisdiction for life without parole.

Court records show Watkins was diagnosed with post-partum psychosis and had been prescribed anti-psychotic medicatio