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Related Experiment Videos

Genetics, age, and infertility

A Nasseri1, J A Grifo

  • 1Department of Ob/Gyn, Mount Sinai Medical Center, Manhatten, NY 10029, USA.

Maturitas
|January 1, 1999
PubMed
Summary
This summary is machine-generated.

Female fertility declines with age due to reduced oocyte quality and quantity. Preimplantation genetic diagnosis (PGD) accurately identifies genetically deficient embryos, improving outcomes for older women.

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Area of Science:

  • Reproductive biology
  • Human genetics
  • Assisted reproductive technologies

Background:

  • Female fertility naturally declines with advancing reproductive age.
  • Oocyte quality and quantity are primary factors in age-related fertility loss.
  • Increased incidence of spontaneous abortions correlates with age-related chromosomal anomalies.

Purpose of the Study:

  • To review the genetics of aging and its impact on human fertility.
  • To explore advancements in diagnosing genetic diseases before embryo implantation.
  • To evaluate the role of preimplantation genetic diagnosis (PGD) in at-risk pregnancies.

Main Methods:

  • Literature review and analysis of personal experience.
  • Examination of age-related decline in female fertility.

Related Experiment Videos

  • Assessment of in-vitro fertilization (IVF) success in older women.
  • Evaluation of PGD for identifying fetal genetic anomalies.

    • Main Results:

    • Female fertility reduction is linked to decreased oocyte quality and quantity.
    • Chromosomal abnormalities in abortuses increase with maternal age.
    • PGD effectively excludes genetically abnormal embryos before pregnancy.

    Conclusions:

    • Reproductive challenges in older women are associated with ovarian aging.
    • Novel techniques like cytoplasmic transfer aim to correct age-related cellular defects.
    • PGD offers accurate genetic screening of embryos prior to implantation.