ArticleArchives of gynecology and obstetrics2024
Assisted reproductive technology and the risk of fetal congenital heart disease: insights from a tertiary-care referral center.
Article in Archives of gynecology and obstetrics, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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5 authors.
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Abstract
purposeTo investigate whether congenital heart diseases exhibit higher rates in pregnancies achieved through assisted reproductive technology (ART) compared to natural conception.
methodsIn this retrospective cohort study, multinomial logistic regression was employed to analyze the relationship between categories of congenital heart diseases and three conception groups (IVF, ICSI, and natural pregnancies). The main outcome measures are risks of congenital heart disease categories in IVF and ICSI groups using the natural group as reference. We selected fetuses referred for fetal echocardiography to IRCCS Policlinico Sant'Orsola, Bologna, between January 2005 and November 2023, diagnosed with congenital heart diseases.
resultsWe categorized the congenital heart diseases into six groups based on anatomical and embryological criteria. The estimated risk of left ventricular outflow tract, valvular, conotruncal, and atrioventricular septal defects was lower in the IVF group compared to natural conception. The estimated risk of valvular and atrioventricular septal defects was lower in the ICSI group vs natural. Conversely, the risk for right heart anomalies was higher both in the IVF and ICSI groups compared to natural conception. Heart rhythm diseases were more frequent in IVF pregnancies. When comparing ART methods, valvular defects, conotruncal defects, and right heart anomalies were more frequently observed in the ICSI group, while atrioventricular septal defects were more common in the IVF group.
conclusionSignificant differences were found in the occurrence of congenital heart diseases in pregnancies conceived through IVF and ICSI, versus those conceived naturally, underscoring the importance of further studying the underlying mechanisms of these associations.
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