Aishling Sheridan will likely miss at least two games with a lateral collateral ligament sprain in her left knee.
She is currently in a brace and progressing well with conditioning in the gym.
She is expected to be out of the brace in the next couple of weeks and will aim to return between rounds 7-9.
Tarni Brown sustained a minor capsular injury to her right quad at training which is settling with anti-inflammatories.
She is expected to complete Wednesday's main training session and will be available for selection this week.
Co-captain Steph Chiocci has been diagnosed with delayed onset concussion and has entered 12-day protocols.
She will be assessed to determine her availability for round 7.
The skipper was already set to miss round 6 through suspension.