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. 2019 May 8;16(9):1615.
doi: 10.3390/ijerph16091615.

Interactions between 14 Elements in the Human Placenta, Fetal Membrane and Umbilical Cord

Karolina Kot  1 , Danuta Kosik-Bogacka  2 , Natalia Łanocha-Arendarczyk  3 , Witold Malinowski  4 , Sławomir Szymański  5 , Maciej Mularczyk  6 , Natalia Tomska  7 , Iwona Rotter  8
Affiliations

Interactions between 14 Elements in the Human Placenta, Fetal Membrane and Umbilical Cord

Karolina Kot et al. Int J Environ Res Public Health. .

Abstract

The aim of the study was to investigate relationships between the concentrations of macroelements (Ca), microelements (Cr, Cu, Fe, Mn, Mo, Ni, Sn, Sr, V, Zn) and heavy metals (Ag, Cd, Pb) in the placenta, fetal membrane and umbilical cord. ‪Furthermore, we examined relationships between the concentrations of these metals in the studied afterbirths and maternal age, gestational age, placenta parameters (breadth, length, weight) and newborn parameters (length, weight and Apgar score). This study confirms previously reported Zn-Cd, Pb-Cd and Ni-Pb interactions in the placenta. New types of interactions in the placenta, fetal membrane and umbilical cord were also noted. Analysis of the correlations between metal elements in the afterbirths (placenta, fetal membrane and umbilical cord) and biological parameters showed the following relationships: maternal age and Mn (in the fetal membrane); gestational age and Cr, Fe, Zn (in the fetal membrane), Ag and Cu (in the umbilical cord); newborn's length and Sr (in the placenta), Ag (in the umbilical cord); newborn's weight and Sr (in the placenta), Cu (in the fetal membrane), Ag (in the umbilical cord); Apgar score and Ca, Cr and Ni (in the umbilical cord); placenta's length and Cr and Sn (in the fetal membrane), Cu (in the umbilical cord); placenta's width and Mo, Pb (in the placenta) and placenta weight and Sr (in the placenta), Ag, Fe, Mn (in the fetal membrane). The results show the influence of metals on the placenta, mother and newborn parameters, and the same point indicates the essential trace elements during the course of pregnancy.

Keywords: afterbirths; human; trace elements.

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Conflict of interest statement

The authors declare no conflict of interest.

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