PP13 is implicated in the pathogenesis of impaired placentation and subsequent development of early-PE but measurement of this placental product is unlikely to be useful in screening for the disease at 11-13 weeks.
The aim of this study was to review the role of selected trace elements in pregnancy and fetal development. Citations related to the role of iron (Fe), zinc (Zn), manganese (Mn), copper (Cu) and selenium (Se) during pregnancy were searched in PubMed, Medline, Web of Science, using keywords and MeSH terms. Inadequate supply of trace elements can cause abnormalities of fetal development and predispose a child to disorders later on in life. Trace elements are the key elements of complex enzymes responsible for the modulation of the antioxidant defense system of the organism. It has been suggested that there is a correlation between reduced levels of trace elements essential for antioxidant function in the body of pregnant women, and an increased risk of developing preeclampsia. Trace elements are components of numerous regulatory enzymes and hormones essential to the division and differentiation of fetal cells and their further development. Mineral deficiencies in pregnant women can cause birth defects of the central nervous system, and growth disorders. Future research should be directed to explain the interaction between trace elements, and establish the optimum levels of macro and micronutrients supplementation, as well as determine the reference values for trace elements in the maternal serum, umbilical cord blood and amniotic fluid.
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