Related Experiment Video
Updated: Jan 24, 2026
07:34
Probing the Limits of Egg Recognition Using Egg Rejection Experiments Along Phenotypic Gradients
Published on: August 22, 2018
8.6K
Egg freezing and late motherhood
Gesthimani Mintziori1, Stavroula Veneti1, Efstratios M Kolibianakis2
1Unit of Reproductive Endocrinology, 1st Department of Obstetrics and Gynecology, Medical School, Aristotle University of Thessaloniki, Thessaloniki, Greece.
Maturitas
|May 29, 2019
Summary
Egg freezing, or oocyte cryopreservation, is increasingly popular for fertility preservation. While outcomes are promising, long-term safety data and maternal age effects require consideration.
Area of Science:
- Reproductive Medicine
- Biotechnology
Background:
- Egg freezing (oocyte cryopreservation) evolved from treating iatrogenic ovarian insufficiency.
- It is now a popular fertility preservation method for healthy women.
Purpose of the Study:
- To review egg freezing technology, reproductive outcomes, and long-term effects.
- To explore the psychological and socioeconomic implications of oocyte cryopreservation.
Main Methods:
- Literature review of egg freezing technology and outcomes.
- Analysis of reproductive success rates and safety data.
- Examination of psychological and socioeconomic factors.
Main Results:
- Vitrification is the current effective method for egg freezing.
- Reproductive outcomes are promising but significantly influenced by maternal age.
- Long-term safety data is lacking, posing potential concerns.
Conclusions:
- Egg freezing is a viable fertility preservation option with advancing technology.
- Maternal age is a critical factor impacting success rates.
- Further research is needed on long-term safety and comprehensive implications.
Related Concept Videos
03:12Freezing Point Depression and Boiling Point Elevation
39.7K
Boiling Point Elevation
The boiling point of a liquid is the temperature at which its vapor pressure is equal to ambient atmospheric pressure. Since the vapor pressure of a solution is lowered due to the presence of nonvolatile solutes, it stands to reason that the solution’s boiling point will subsequently be increased. Vapor pressure increases with temperature, and so a solution will require a higher temperature than will pure solvent to achieve any given vapor pressure, including one...
The boiling point of a liquid is the temperature at which its vapor pressure is equal to ambient atmospheric pressure. Since the vapor pressure of a solution is lowered due to the presence of nonvolatile solutes, it stands to reason that the solution’s boiling point will subsequently be increased. Vapor pressure increases with temperature, and so a solution will require a higher temperature than will pure solvent to achieve any given vapor pressure, including one...
39.7K
02:39Phase Transitions: Melting and Freezing
14.8K
Heating a crystalline solid increases the average energy of its atoms, molecules, or ions, and the solid gets hotter. At some point, the added energy becomes large enough to partially overcome the forces holding the molecules or ions of the solid in their fixed positions, and the solid begins the process of transitioning to the liquid state or melting. At this point, the temperature of the solid stops rising, despite the continual input of heat, and it remains constant until all of the solid is...
14.8K
01:27Reproductive Cloning
32.7K
Reproductive cloning is the process of producing a genetically identical copy—a clone—of an entire organism. While clones can be produced by splitting an early embryo—similar to what happens naturally with identical twins—cloning of adult animals is usually done by a process called somatic cell nuclear transfer (SCNT).
Somatic Cell Nuclear Transfer
In SCNT, an egg cell is taken from an animal and its nucleus is removed, creating an enucleated egg. Then a somatic...
Somatic Cell Nuclear Transfer
In SCNT, an egg cell is taken from an animal and its nucleus is removed, creating an enucleated egg. Then a somatic...
32.7K
02:40Pollination and Flower Structure
75.3K
Flowers are the reproductive, seed-producing structures of angiosperms. Typically, flowers consist of sepals, petals, stamens, and carpels. Sepals and petals are the vegetative flower organs. Stamens and carpels are the reproductive organs.
75.3K
02:27Limiting Reactant
69.5K
The relative amounts of reactants and products represented in a balanced chemical equation are often referred to as stoichiometric amounts. However, in reality, the reactants are not always present in the stoichiometric amounts indicated by the balanced equation.
69.5K
01:36What is Meiosis?
252.0K
Meiosis is the process by which diploid cells divide to produce haploid daughter cells. In humans, each diploid cell contains 46 chromosomes, half from the mother and half from the father. Following meiosis, the resulting haploid eggs or sperm only contain 23 chromosomes; however, each of these chromosomes contains a unique combination of parental information that results from the meiotic process of crossing over.
252.0K