Apprentices Jean Van Overmeire and Ashleigh Borg appear to have escaped serious injuries in falls at Kembla Grange and Hawkesbury respectively.
Apprentice Jean Van Overmeire has got the all-clear for any fractures after a fall at Kembla Grange.
Overmeire, who came off shortly after the start of a race on Saturday, was taken to Wollongong Hospital for scans which cleared him of any fractures.
Fellow junior rider Ashleigh Borg has been taken to Penrith Hospital after a trackwork fall on Monday at Hawkesbury.
She was conscious but suffering soreness in her hip region.