Related Experiment Video
Updated: Jul 30, 2026

Long-term Behavioral and Reproductive Consequences of Embryonic Exposure to Low-dose Toxicants
Published on: March 6, 2018
Paternal exposures: impact on reproductive and developmental outcome. An overview
1Boston University School of Medicine, MA 02118, USA.
Abstract:
Experimental and epidemiologic investigations document the adverse consequences of an array of paternal exposures on the development of subsequent offspring. Male-mediated abnormalities have been reported after exposure to therapeutic and recreational drugs, to chemicals in the workplace and environment and to ionizing radiation. The impact on progeny outcome includes: an increase in congenital malformations, spontaneous abortions, fetal resorptions; low birth weight; increase in childhood cancers; developmental, neurobehavioral, neuroendocrine, neurochemical abnormalities; effects in F2 generation progeny. Fertility is often unaffected. The comparative influence of genetic, epigenetic and nongenetic mechanisms in the etiology of paternally-mediated adverse outcomes is unknown. There is no a priori reason to assume that male-mediated effects are limited to the agents studied to date. The broad spectrum of alterations recorded after exposure to a variety of unrelated agents suggests the need for a more focused effort and multidisciplinary exploration of the potential impact of the male parent on reproductive outcome.
Insights
Paternal exposures to various agents can negatively impact offspring development, leading to birth defects and health issues. Further research is needed to understand the mechanisms behind these male-mediated reproductive outcomes.
Area of Science:
- Reproductive Toxicology
- Developmental Biology
- Environmental Health
Background:
- Paternal exposures to drugs, chemicals, and radiation are linked to adverse offspring outcomes.
- Documented effects include congenital malformations, spontaneous abortions, low birth weight, childhood cancers, and developmental abnormalities.
Purpose of the Study:
- To review the documented adverse consequences of paternal exposures on offspring development.
- To highlight the need for multidisciplinary research into male-mediated reproductive outcomes.
Main Methods:
- Review of experimental and epidemiologic investigations.
- Synthesis of findings on paternally-mediated abnormalities across various exposure types.
Main Results:
- Paternal exposures can result in a wide spectrum of adverse effects in offspring, including F2 generation.
- Fertility is often unaffected despite other adverse outcomes.
- The specific genetic, epigenetic, or nongenetic mechanisms remain largely unknown.
Conclusions:
- A broad range of paternal exposures can negatively impact reproductive outcomes.
- The mechanisms underlying male-mediated adverse effects require further investigation.
- Multidisciplinary research is essential to fully understand the paternal contribution to reproductive health.
More Related Videos
Related Concept Videos
Spermatogenesis
Genomic Imprinting and Inheritance
The expression of some genes depends on which parent passed the gene to the offspring, through a phenomenon known as...
Toxic Reactions: Overview
Toxicity falls into two primary categories: local and systemic.
Local toxicity appears at the exposure site, such as protein denaturation caused by caustic substances.
In contrast, systemic toxicity requires the toxic agent's absorption and distribution,...
Teratogenicity
Toxicity Testing in Animals
Development of the Oral Microbiota

