Maternal nutrition and fetal development.

Guoyao Wu¹, Fuller W Bazer, Timothy A Cudd

¹Department of Animal Science, Texas A&M University, Health Science Center, College Station, TX 77843, USA.

|August 31, 2004

Summary

Maternal nutrition during pregnancy significantly impacts fetal development, influencing lifelong health and disease risk. Optimal nutrition is crucial for fetal programming, reducing the likelihood of adult metabolic and cardiovascular diseases.

Area of Science:

Developmental Biology
Nutritional Science
Genetics

Background:

Intrauterine nutrition is a key environmental factor influencing fetal genome expression.
Fetal programming, driven by nutrition, links fetal development to adult disease risk.
Maternal undernutrition and overnutrition can impair fetal growth and placental function.

Purpose of the Study:

To explore the impact of maternal nutrition on fetal programming and adult disease.
To investigate the molecular mechanisms linking maternal nutrition to fetal development.
To highlight the role of placental nitric oxide and polyamine synthesis.

Main Methods:

Review of animal studies on maternal undernutrition and overnutrition.
Analysis of placental function and fetal growth parameters.
Examination of epigenetic modifications in the fetal genome.

Main Results:

Both maternal undernutrition and overnutrition reduce placental-fetal blood flow and stunt fetal growth.
Impaired placental synthesis of nitric oxide and polyamines may explain intrauterine growth retardation.
Maternal nutrition can alter the epigenetic state of the fetal genome, impacting gene expression.

Conclusions:

Maternal nutrition plays a critical role in fetal programming, with lifelong health implications.
Epigenetic modifications provide a molecular basis for maternal nutritional effects on fetal development.
Promoting optimal maternal nutrition is essential for healthy fetal development and reducing adult chronic disease risk.

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