Clinics and care
Every step where samples are moved or combined is witnessed, either by a second scientist or by an electronic barcode system. This is a core safety process in Australian ART laboratories, and clinics should be able to explain exactly how it works in their unit.
Also known as: double witnessing, electronic witnessing, RI Witness
Sources
- National Association of Testing Authorities, Australia (nata.com.au)
- Royal Australian and New Zealand College of Obstetricians and Gynaecologists (ranzcog.edu.au)
Last reviewed: 10 September 2026. Written by the Antega Editorial Team. General information only — always follow the advice of your own clinic, doctor or pharmacist.