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Related Experiment Videos

Long-term effects of delayed parenthood

J J Tarín1, J Brines, A Cano

  • 1Department of Paediatrics, Obstetrics and Gynaecology, Faculty of Medicine, University of Valencia, Spain.

Human Reproduction (Oxford, England)
|November 7, 1998
PubMed
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Delayed parenthood impacts offspring differently based on parental age. Maternal aging increases risks of obstetric and fetal issues, while paternal aging is linked to new inheritable mutations.

Area of Science:

  • Reproductive biology
  • Developmental biology
  • Genetics

Background:

  • Delayed parenthood, both maternal and paternal, presents unique risks.
  • Maternal aging is associated with obstetric complications and fetal issues.
  • Paternal aging is linked to genetic mutations in offspring.

Purpose of the Study:

  • To define, characterize, and compare the long-term effects of delayed parenthood on offspring.
  • To elucidate the distinct mechanisms by which maternal and paternal aging impact offspring health.
  • To analyze the genetic and cellular factors contributing to age-related reproductive risks.

Main Methods:

  • Literature review and synthesis of existing data on delayed parenthood and offspring outcomes.
  • Comparative analysis of maternal and paternal aging effects.

Related Experiment Videos

  • Examination of cellular mechanisms including oxidative stress, DNA repair, and mitochondrial inheritance.

    • Main Results:

    • Delayed motherhood increases risks of obstetric complications, fetal/perinatal problems, and conditions like trisomy and mitochondrial DNA disorders.
    • Maternal aging is associated with a decreased male-to-female infant ratio.
    • Delayed fatherhood is linked to a higher incidence of new inheritable-mutation disorders in offspring.
    • Oocyte oxidative stress and mitochondrial dysfunction in older women contribute to risks.
    • Spermatozoa vulnerability to mutations due to reduced antioxidant activity and lack of DNA repair in older men.

    Conclusions:

    • Maternal and paternal aging affect offspring health through distinct biological pathways.
    • Understanding these differences is crucial for reproductive counseling and managing age-related risks.
    • Further research into cellular mechanisms can inform strategies to mitigate risks associated with delayed parenthood.