Key result
Maternal infections like Rubella and Cytomegalovirus are linked to increased risk of congenital heart defects.
Why the study?
Congenital heart defects contribute significantly to heightened infant mortality rates, prompting an exploration of the link between maternal infections and fetal heart defects.
This review emphasizes the critical role of preventing maternal infections and ensuring adequate maternal nutrition to reduce the risk of congenital heart defects.
Supports maternal infection prevention counseling; leaves open causal confirmation via prospective trials.
Congenital heart defects (CHDs) contribute significantly to heightened infant mortality rates. This review explores the intricate link between maternal infections and CHDs, emphasizing diverse factors influencing fetal development, such as bacterial, fungal, protozoan and viral agents. These infections pose reproductive health risks, potentially leading to complications like prematurity, stillbirth and heart defect to the fetus. The TORCH acronym (Toxoplasma, Other infections, Rubella, Cytomegalovirus, Herpes simplex) identifies infectious teratogens related to congenital issues, emphasizing vertical transmission through the placenta or ascending from the vagina. Rubella and Cytomegalovirus play a significant role in heart defects, particularly when maternal infections amplify CHD risk during pregnancy. Specific scrutiny is placed on Rubella and Cytomegalovirus for their impact on pregnancy outcomes and potential links to congenital heart defects, with preventive strategies discussed, including vaccination and antiviral therapy. The timing and severity of these infections are pivotal in determining their impact on fetal heart development. Environmental exposures and maternal nutrition are critical factors influencing fetal development. Maternal undernutrition in low- and middle-income countries associates with adverse pregnancy outcomes, including congenital heart defects. Emphasizing the importance of maintaining a nutritious maternal diet, rich in essential nutrients, is crucial for improved fetal health and successful pregnancy outcomes. This review offers insights into preventive measures and underscores the need for continued research to enhance prenatal care strategies.
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Dhanya et al. (2024) conducted a review in Congenital heart defects. Maternal infections was evaluated on Congenital heart defects. Maternal infections, particularly Rubella and Cytomegalovirus, are linked to an increased risk of congenital heart defects, emphasizing the need for preventive strategies like vaccination.
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