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These are termed long chain, omega-3, polyunsaturated fatty acids, and are considered important for fetal neurodevelopment. [6] Additionally, fish are good sources of vitamins A, D, and B12, as well as the mineral iodine. [6] Due to risks of heavy-metal toxicity on fetal neurodevelopment, many mothers are concerned about eating fish during ...
"Caffeine can also cross the placenta readily, and because caffeine clearance slows as pregnancy progresses, caffeine accumulation may occur in fetal tissues." One 12-ounce cup (355 ml) of brewed ...
The fetus and infant are especially vulnerable to mercury exposures with special interest in the development of the CNS since it can easily cross across the placental barrier, accumulate within the placenta and fetus as the fetus cannot eliminate mercury and have a negative effect on the fetus even if the mother does not show symptoms. [16]
The health effects of coffee include various possible health benefits and health risks. [ 1 ] A 2017 umbrella review of meta-analyses found that drinking coffee is generally safe within usual levels of intake and is more likely to improve health outcomes than to cause harm at doses of 3 or 4 cups of coffee daily.
Since the fetus is smaller and does not have a fully developed liver, the concentration of alcohol in its bloodstream lasts longer, increasing the chances of detrimental side effects. [69] The severity of effects alcohol may have on a developing fetus depends upon the amount and frequency of alcohol consumed as well as the stage of pregnancy.
Environmental toxicants and fetal development is the impact of different toxic substances from the environment on the development of the fetus. This article deals with potential adverse effects of environmental toxicants on the prenatal development of both the embryo or fetus, as well as pregnancy complications. The human embryo or fetus is ...
Maternal alcohol use leads to disruptions of the fetus' brain development, interferes with the fetus' cell development and organization, and affects the maturation of the central nervous system. Even small amounts of alcohol use can cause lower height, weight and head size at birth and higher aggressiveness and lower intelligence during ...
Hypothyroidism is a disease that may have severe, adverse effects on the brain development in a fetus. These problems are often caused by a "passing-down" from the mother or from an external neurotoxin causing impaired cognitive ability and, in extreme cases, mental retardation .