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Related Experiment Video

Updated: Jan 15, 2026

Fertility Preservation Through Oocyte Vitrification: Clinical and Laboratory Perspectives

Fertility Preservation Through Oocyte Vitrification: Clinical and Laboratory Perspectives

Published on: September 16, 2021

Elective egg freezers' disposition decisions pathways.

Lucy Caughey¹, Katherine M White², Sarah Lensen¹

¹Department of Obstetrics, Gynaecology and Newborn Health, Royal Women's Hospital, University of Melbourne, Melbourne, Victoria 3050, Australia.

Reproductive Biomedicine Online

|October 15, 2025

Summary

This summary is machine-generated.

Elective egg freezers have distinct decision pathways for oocyte disposition. Positive attitudes and social considerations significantly influence choices regarding donation, research, or discarding eggs.

Keywords:

egg/oocyte disposition egg/oocyte donation elective egg freezing planned egg freezing planned oocyte cryopreservation prototype willingness model structured equation modelling

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Last Updated: Jan 15, 2026

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Morphometric Protocol for the Objective Assessment of Blastocyst Behavior During Vitrification and Warming Steps

Morphometric Protocol for the Objective Assessment of Blastocyst Behavior During Vitrification and Warming Steps

Published on: February 28, 2019

Area of Science:

Reproductive Medicine
Decision Science
Psychology

Background:

Elective egg freezing (oocyte cryopreservation) is increasingly common.
Understanding the decision-making process for unused eggs is crucial for patient support.

Purpose of the Study:

To identify significant decision-making pathways for oocyte disposition outcomes.
To explore factors influencing choices for elective egg freezers.

Main Methods:

Observational cross-sectional study (May-November 2023) with 175 Australian participants.
Utilized the Prototype Willingness Model and structured equation modeling.
Assessed willingness for various disposition options: donation, clinic, research, discard, reclaim.

Main Results:

Distinct decision pathways were identified for each oocyte disposition outcome.
Positive attitude was the strongest enabling factor across all outcomes.
Specific factors like concern for donor-conceived children and social norms influenced decisions.

Conclusions:

Oocyte disposition decisions are highly individual and personal.
Counseling and support tools are essential for elective egg freezers navigating disposition options.