Related Experiment Videos
[Paternal age and pregnancy issues. The CECOS experience]
Contraception, Fertilite, Sexualite (1992)
|May 1, 1993
Insights
Parental age significantly impacts offspring health. Donor age influences the occurrence of Down syndrome (trisomy 21), with older donors showing a higher incidence in this study of 11,535 pregnancies.
Area of Science:
- Reproductive biology
- Genetics
- Perinatal medicine
Context:
- A large-scale collaborative study involving 11,535 pregnancies was conducted by the French Federation des CECOS.
- The study focused on analyzing the effects of parental age on offspring development and health outcomes.
Purpose:
- To investigate the relationship between parental age and the incidence of chromosomal abnormalities in offspring.
- To determine if donor age is a significant factor in the occurrence of trisomy 21.
Summary:
- Analysis revealed a significant correlation between the donor's age and the occurrence of trisomy 21.
- Offspring conceived with older donors exhibited a higher incidence of Down syndrome compared to those with younger donors (37.4 +/- 7.8 vs 34.5 +/- 6.0; p < 0.05).
Impact:
- Provides crucial data for understanding age-related risks in assisted reproductive technologies.
- Informs genetic counseling and clinical decision-making regarding donor selection and pregnancy planning.
Abstract:
From a collaborative study of the French "Federation des CECOS" who collected the follow up of 11,535 pregnancies, the effect of parental age on the offspring is studied. A significant influence of the donor's age is demonstrated for the occurrence of trisomy 21 (37.4 +/- 7.8 vs 34.5 +/- 6.0; p < 0.05).