Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Protein Families02:47

Protein Families

16.7K
Protein families are groups of homologous proteins; that is, they have similarities in amino acid sequences and three-dimensional structures. Protein families usually occur because of gene duplication, where an additional copy of a gene is inserted into the genome of an organism.   Mutations that change the amino acids but still allow the protein to be properly synthesized, will lead to new protein family members.   If these new proteins contain similar amino acids in key...
16.7K
Protein Families02:47

Protein Families

4.3K
4.3K
Gene Families01:57

Gene Families

9.8K
Gene families consist of groups of genes proposed to have originated from a common ancestor. Typically these arise through events in which a gene or genes are mistakenly duplicated during cell division. Unlike their parent genes (which are subject to selection pressure to maintain function), these gene copies do not need to preserve their sequences and may evolve at a relatively faster rate.
Occasionally these regions can be adapted to take on new roles within the organism, becoming novel genes...
9.8K
Gene Families01:57

Gene Families

3.6K
3.6K
Infertility in Males01:23

Infertility in Males

539
Male infertility affects millions of couples worldwide, arising from various factors that impact different stages of the reproductive process. An endocrine imbalance resulting from conditions like hypogonadism, Klinefelter syndrome, or pituitary disorders can disrupt hormone levels and reduce sperm production. Testicular defects, such as tumors, cryptorchidism, atrophic testes, abnormal sperm morphology, and low sperm count or motility, may arise due to genetic factors, structural...
539
Ideal Solutions02:24

Ideal Solutions

22.3K
According to Raoult’s law, the partial vapor pressure of a solvent in a solution is equal or identical to the vapor pressure of the pure solvent multiplied by its mole fraction in the solution. However, Raoult's Law is only valid for ideal solutions. For a solution to be ideal, the solvent-solute interaction must be just as strong as a solvent-solvent or solute-solute interaction. This suggests that both the solute and the solvent would use the same amount of energy to escape to the...
22.3K

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Research Note on the Role of Infertility and Medically Assisted Reproduction on the Realization of Ideal Family Size in Japan.

Demography·2026
Same author

Perceptions of Medically Assisted Reproduction and Fertility Postponement: Limited Evidence, Critical Questions.

European journal of population = Revue europeenne de demographie·2026
Same author

Time to birth for spontaneous and ART births among infertile groups.

BMC women's health·2025
Same author

Shifting the reproductive window: The contribution of ART and egg donation to fertility rates in the UK.

Population studies·2025
Same author

Fertility preferences adjusted: reimagining parenthood in response to the uncertainty of infertility.

Genus·2025
Same author

Belonging to the neighbourhood, residential mobility, and the transition to parenthood.

Population studies·2025

Related Experiment Video

Updated: Jan 23, 2026

Treatment Model for Young Patients with Psychogenic Erectile Dysfunction and Resultant Infertility
04:22

Treatment Model for Young Patients with Psychogenic Erectile Dysfunction and Resultant Infertility

Published on: May 30, 2025

810

Infertility and Unrealized Ideal Family Size.

Ester Lazzari1, Eva Beaujouan1

  • 1Department of Demography, University of Vienna, 1010 Vienna, Austria; Wittgenstein Centre for Demography and Global Human Capital (IIASA, OeAW, University of Vienna), 1010 Vienna, Austria.

Population and Development Review
|January 22, 2026
PubMed
Summary

Many adults finish childbearing years with fewer children than desired. Infertility significantly contributes to this gap, impacting ideal family size achievement for men and women.

More Related Videos

Examining BCL-2 Family Function with Large Unilamellar Vesicles
08:35

Examining BCL-2 Family Function with Large Unilamellar Vesicles

Published on: October 5, 2012

8.4K
Investigating the Pathogenesis of MYH7 Mutation Gly823Glu in Familial Hypertrophic Cardiomyopathy using a Mouse Model
03:45

Investigating the Pathogenesis of MYH7 Mutation Gly823Glu in Familial Hypertrophic Cardiomyopathy using a Mouse Model

Published on: August 8, 2022

4.2K

Related Experiment Videos

Last Updated: Jan 23, 2026

Treatment Model for Young Patients with Psychogenic Erectile Dysfunction and Resultant Infertility
04:22

Treatment Model for Young Patients with Psychogenic Erectile Dysfunction and Resultant Infertility

Published on: May 30, 2025

810
Examining BCL-2 Family Function with Large Unilamellar Vesicles
08:35

Examining BCL-2 Family Function with Large Unilamellar Vesicles

Published on: October 5, 2012

8.4K
Investigating the Pathogenesis of MYH7 Mutation Gly823Glu in Familial Hypertrophic Cardiomyopathy using a Mouse Model
03:45

Investigating the Pathogenesis of MYH7 Mutation Gly823Glu in Familial Hypertrophic Cardiomyopathy using a Mouse Model

Published on: August 8, 2022

4.2K

Area of Science:

  • Sociology
  • Demography
  • Reproductive Health

Background:

  • Many individuals desire more children than they ultimately have.
  • The role of infertility in this discrepancy is not fully understood.

Purpose of the Study:

  • To examine the gap between ideal and actual family size.
  • To assess the influence of infertility and socioeconomic factors on achieving ideal family size.

Main Methods:

  • Utilized data from the Generations and Gender Survey (GGS) across 10 low-fertility countries.
  • Analyzed the relationship between ideal family size, actual fertility, and infertility experiences.

Main Results:

  • Up to 50% of men and women end their reproductive years with fewer children than desired.
  • Infertility is a key predictor, increasing the likelihood of not achieving ideal family size.

Conclusions:

  • Infertility significantly hinders individuals from reaching their desired family size.
  • Addressing infertility is crucial for understanding and potentially bridging the ideal-actual family size gap.