Pregnant pedestrian killed in Sydney

A pregnant pedestrian has died after being hit by a car in Sydney's inner-west, with police launching a public appeal to try to identify the woman.

The woman of Asian appearance was killed after being struck on Parramatta Road in Homebush about 7.10pm on Monday.

The car's driver, a 35-year-old man, returned a negative breath test at the scene and was taken to hospital for mandatory testing.