The reciprocal relationship between genes and nutrients, known as nutrigenetics and nutrigenomics, has been established in many studies. However, current investigations of maternal and neonatal nutrition using a precision nutrition approach focused on genomics are limited, especially in the Middle East and North Africa (MENA) region. This review aims to summarize the impacts of the dietary micronutrients, folic acid, thiamine, and cobalamin on optimal health outcomes during pregnancy, fetal development, lactation, and infant growth. In this review, the roles of folic acid, thiamine, and cobalamin are discussed in the context of various aspects of pregnancy, such as preconception, fetal development, and lactation, highlighting how genetic events occurring during developmental periods can have consequential impacts on health outcomes later in life. Deficiency rates and related health consequences as well as the prevalence of genetic mutations related to these nutrients of interest in the MENA region are also elaborated on. How to advance knowledge and applications of precision nutrition, how genes interact with the neurochemical changes during pregnancy, and how this interaction impacts maternal eating behaviors, and consequently fetal development and infant and child growth and health, should be further explored in future studies. This includes taking advantage of cutting-edge technologies and the role of artificial intelligence in this endeavor.
Khoury et al. (Thu,) studied this question.
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