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Updated: Aug 23, 2025

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Can a father be too old?

Michael L Eisenberg1

  • 1Department of Urology, Stanford University School of Medicine, Palo Alto, California; Department of Obstetrics and Gynecology, Stanford University School of Medicine, Palo Alto, California.

Fertility and Sterility
|October 28, 2022
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Summary
This summary is machine-generated.

Paternal age impacts male reproductive health and offspring development. Older fathers face increased risks of de novo mutations and neurodevelopmental issues in children, alongside potential fertility challenges.

Keywords:
Paternal agemutationspermatozoa

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Area of Science:

  • Reproductive Medicine
  • Genetics
  • Developmental Pediatrics

Background:

  • Paternal age is an under-researched factor in reproductive health.
  • Advanced paternal age may influence genetic stability and offspring neurodevelopment.
  • Male fertility parameters can be affected by aging.

Purpose of the Study:

  • To review current evidence on the association between paternal age and male reproductive health.
  • To explore the link between paternal age and de novo mutations.
  • To examine the implications of paternal age on offspring neurodevelopment and male fertility.

Main Methods:

  • Literature review of studies on paternal age and reproductive health.
  • Analysis of data on de novo mutations in relation to paternal age.
  • Examination of research on neurodevelopmental syndromes in children of older fathers.
  • Review of male fertility markers (semen quality, birth rates, ART success) and paternal age.

Main Results:

  • Paternal age is associated with an increased rate of de novo mutations.
  • Neurodevelopmental disorders show increased prevalence in offspring of older fathers.
  • Evidence suggests potential negative impacts of paternal age on semen quality, birth rates, and assisted reproductive technology outcomes.

Conclusions:

  • Advanced paternal age presents risks for genetic integrity and offspring health.
  • Clinicians should consider paternal age in reproductive and genetic counseling.
  • Further research is needed to fully elucidate the complex relationship between paternal age and male reproductive success.