The Forensic Crash Unit is investigating a fatal two-car traffic crash that occurred in Purga on Thursday, May 16.
Initial investigations indicate a Toyota Rav4 and Toyota Hilux were travelling in opposite directions when they crashed on Ipswich Boonah Road around 5.45pm.
A total of six people, three in one car, and three in the other, were taken to hospital.
One of the passengers of the Toyota Hilux, a 25-year-old woman, was transported to Ipswich Hospital suffering serious injuries.
Her unborn baby died as a result of the crash.
Anyone with information that could assist investigations, including any dashcam vision, is urged to contact police.
If you have information for police, contact Policelink by providing information using the online suspicious activity form 24hrs per day at www.police.qld.gov.au/reporting.
Report crime information anonymously via Crime Stoppers. Call 1800 333 000 or report online at www.crimestoppersqld.com.au.