Follicle tracking uses transvaginal scans every few days, often with blood tests, to measure how many follicles are growing and how large they are. The results guide dose changes and decide when to give the trigger injection. Expect several early-morning monitoring appointments during a stimulation cycle.
Also known as: follicle scan, tracking scans, monitoring scans
Planning tools
Sources
- 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 โ always follow the advice of your own clinic, doctor or pharmacist.
