Immature oocyte

Some immature eggs are collected in every cycle. A high proportion of immature eggs may point to trigger timing, dose or an underlying maturation problem, and is a useful thing to review before the next cycle.

Also known as: GV oocyte, MI oocyte, immature egg

Last reviewed: September 9, 2026. Written by the Antega Editorial Team. General information only — always follow the advice of your own clinic, doctor or pharmacist.