You should also continue striving for a healthy diet and taking your prenatal vitamins or a daily multivitamin recommended by your doctor.
你还应保持一个健康的饮食，每天像产前一样摄取足够的维生素或者按照医嘱摄入复合维生素。
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Jirtle's team fed one group of pregnant agouti mice a diet rich in B vitamins (folic acid and vitamin B12). Another group of genetically identical pregnant agouti mice got no such prenatal nutrition.
It is through epigenetic marks that environmental factors like diet, stress and prenatal nutrition can make an imprint on genes that is passed from one generation to the next.