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Review
. 2024 Dec 26;56(1):55.
doi: 10.1007/s10735-024-10332-z.

Oxidative stress and its role in recurrent pregnancy loss: mechanisms and implications

Xiaoyu Zhang  1 , Jiawei Gao  1 , Liuxin Yang  1 , Xiaoling Feng  2 , Xingxing Yuan  3   4
Affiliations
Review

Oxidative stress and its role in recurrent pregnancy loss: mechanisms and implications

Xiaoyu Zhang et al. J Mol Histol. .

Abstract

Recurrent pregnancy loss (RPL) is the occurrence of two or more consecutive miscarriages before 20 weeks of gestation. Recent research has increasingly focused on the role of oxidative stress in RPL, providing insights into its underlying mechanisms and potential therapeutic targets. Oxidative stress arises from an imbalance between reactive oxygen species (ROS) production and antioxidant defenses, leading to cellular damage and inflammation. Oxidative stress has been implicated in disrupting placental blood flow, inducing apoptosis in fetal and placental cells, and exacerbating inflammatory responses, all of which can contribute to pregnancy loss. Elevated levels of ROS have been associated with compromised placental function, impaired fetal development, and increased risk of RPL. Additionally, oxidative stress can modulate maternal immune responses, potentially leading to immune-related pregnancy complications. This review synthesizes current evidence on the mechanisms by which oxidative stress contributes to RPL and highlights emerging research on potential interventions, including antioxidant therapies and lifestyle modifications. Understanding these mechanisms is crucial for developing effective preventive and therapeutic strategies to reduce the risk of RPL and improve pregnancy outcomes. Future research should focus on elucidating the specific pathways involved and exploring novel treatments aimed at mitigating oxidative damage during pregnancy.

Keywords: Antioxidant therapies; Oxidative stress; Recurrent pregnancy loss.

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Conflict of interest statement

Declarations. Ethics approval and consent to participate: Not applicable. Consent for publication: Not applicable. Competing interests: The authors declare no competing interests.

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