New York: Pregnant women, who eat up to nine eggs a day, have babies with higher IQs because eggs contain high amounts of choline, which boosts infants' memories and abilities to process information, it was found in a new research from Cornell University in the USA.
However, nine is an unusually high number to eat in a day, and they are linked to high cholesterol which can be deadly.
Recommendations advise 480mg of the nutrient a day in expectant mothers. However, the study suggests nearly double that amount is required for optimal results, Mail Online Health News reported.
The researchers warn many pregnant women to fail even to consume the recommended choline intake, which may be due to eggs' reputation for causing raised cholesterol levels, as well as warnings against expectant mothers eating them if undercooked.
On average, one egg yolk contains around 115mg of choline. Other sources include red meat, fish, poultry, legumes, and nuts.
From its side, the National Health Services (NHS) in the UK says that mothers-to-be do not need to go on a special diet, but stress it's important to eat a variety of different foods every day to get the right balance of nutrients that she and her baby need.
It recommends eggs for pregnant women but warns you should avoid eating some raw or partially cooked eggs, as there is a risk of salmonella.
The researchers from Cornell University analyzed 26 pregnant women entering their third trimesters. Half of the study's participants ate 480mg of choline every day until their delivery, while the remainder consumed 930mg.
The participants' babies were assessed for their information processing speed and memories at four, seven, 10 and 13 months old.
Results reveal babies have significantly faster reaction times if their mothers ate 930mg of choline a day during the final stage of their pregnancy.
Infants are also faster at processing information if their mothers consumed around twice the recommended choline intake every day of their third trimester.
A person's IQ is partially determined by their memory.
Study Author Marie Caudill said: 'In animal models using rodents, there's widespread agreement that supplementing the maternal diet with additional amounts of this single nutrient has lifelong benefits on offspring cognitive function. 'Our study provides some evidence that a similar result is found in humans.'
The findings were published in the Journal of the Federation of American Societies for Experimental Biology.
From its side, the NHS recommends expectant mothers eat some protein foods every day.
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