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Original Article

Oxidative stress equilibrium during obstetric event in normal pregnancy

, , , , , , , , & show all
Pages 1836-1840 | Received 15 Apr 2016, Accepted 21 Aug 2016, Published online: 09 Sep 2016
 

Abstract

Objective: The aim of this study was to determine malondialdehyde (MDA) concentration as an oxidative stress marker and total antioxidant capacity (TAC) in pregnancy before and after perinatal event.

Methods: This study was performed on 200 healthy full-term pregnant women admitted to pregnancy resolution in Maternal-Child Hospital of Durango, Mexico. Oxidative stress and TAC were assessed through detection of lipid peroxidation by quantitation of thiobarbituric acid-reactive substances (TBARS) and TAC through ferric reducing ability of the plasma (FRAP).

Results: Our results showed increased levels of MDA after vaginal delivery (VD). TAC was also increased after obstetric event, but it did not differ between VD and caesarean section.

Conclusions: We demonstrated that MDA concentrations are increased two hours after obstetric event, and this increase correlates with VD. The TAC was increased as a compensatory mechanism during obstetric event. Another important finding is that women receiving analgesia administration in VD, as well as dexamethasone administration in caesarean section, experienced a protector effect that decreased MDA levels.

Declaration of interest

The authors report no declarations of interest. This work was supported by Servicios de Salud de Durango and Universidad Juárez del Estado de Durango.

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