Ms Pender was last seen on the morning of Friday, 23rd August 1996 in her flat on Church Street, Tullamore.
Gardai are issuing a fresh appeal ahead of the 30th anniversary of the disappearance and murder of Fiona Pender.
She was last seen at around 6 am on the morning of Friday, 23rd August 1996 in her flat on Church Street in Tullamore, and was 25 years old at the time.
She's described as being 5 foot 5 in height, long, blonde hair, was wearing bright-coloured clothing and white leggings and was seven months pregnant at the time of her disappearance.
Gardaí in the Laois Offaly Division have carried out a sustained search over the last 30 years, led by a Senior Investigating Officer.
Five people have been arrested and detained in connection with this investigation, with extensive searches being carried out.
Gardai are appealing to anyone that met or saw Fiona on August 23rd 1996 to come forward and speak to the investigation team.
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