A pregnant teenager accused of fleeing police in a high-speed pursuit while a baby was in the car has broken down after her bail was refused.

Kirsty Lee Parker, 19, was allegedly behind the wheel of a Volkswagen sedan when it was spotted by police going 168km/h in a 110km/h zone along the M1 motorway on Tuesday.

The high-speed pursuit commenced in Somersby on the NSW Central Coast before being temporarily called off by police.

The chase was later resumed in Swansea.

At one stage, a passenger was allegedly seen hanging out of the speeding vehicle, filming the chase.

Parker, who was on L-plates at the time, is alleged to have crashed into another car and twice avoided police road spikes by swerving around them.

Officers found the vehicle abandoned at Windale in Newcastle where they arr

See Full Page