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J Psychiatr Res. 2016 Aug;79:57-60. doi: 10.1016/j.jpsychires.2016.04.008. Epub 2016 May 1.

Depression in pregnancy is associated with decreased glutathione peroxidase activity in fetal cord blood.

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Afşin State Hospital, Psychiatry Clinic, Kahramanmaraş, Turkey. Electronic address:
Kahramanmaraş Sütçü İmam University, Psychiatry Clinic, Kahramanmaraş, Turkey.
Kahramanmaraş Sütçü İmam University, Obstetry Clinic, Kahramanmaraş, Turkey.
Kahramanmaraş Sütçü İmam University, Biochemistry Department, Kahramanmaraş, Turkey.
İzzet Baysal Research and Training Hospital, Psychiatry Department, Bolu, Turkey.


The investigation of fetal cord blood (FCB) during child delivery has created a novel topic in the field of psychiatric research. The umbilical vein receives nutrients and oxygen from the mother's circulation and transports them to the fetal circulation. Investigating fetal cord blood during delivery is beneficial for understanding the fetal environment. Depression in pregnancy is associated with medical and emotional burdens. In this study, we aimed to investigate glutathione peroxidase (Gpx) and myeloperoxidase (MPO) activity in the FCB of depressed mothers and healthy controls. Our study included 45 depressed mothers and 59 healthy controls. The FCB samples were collected from the umbilical vein during delivery. We found that Gpx levels were significantly decreased in the FCB of depressed mothers than healthy controls, medians were 0.14 U/ml and 0.16 U/ml respectively, Z: -3.567 and p < 0.001. MPO levels were similar in both groups, medians were 1.0 U/L and 1.2 U/L respectively, Z: -1.837 and p:0.066. Depression in pregnancy may be associated with decreased antioxidant levels, and this condition may cause an oxidative load, which may lead to improper brain development. Future studies should be performed in larger samples to clarify our preliminary results.


Antioxidant; Depression; Fetal cord; Glutathione peroxidase; Myeloperoxidase; Pragnancy; Umbilical cord

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