• Kuan-Miao Lin, Yun-Hsuan Yang, Chuan-Pin Lee, Ko-Jung Chen, Yao-Hsu Yang, Jiunn-Ming Sheen, and Shao-Ju Chien.
• Department of Pediatrics, Chiayi Chang Gung Memorial Hospital and Chang Gung University College of Medicine, Chiayi, Taiwan.
• J Formos Med Assoc. 2024 Jul 1; 123 (7): 744750744-750.

BackgroundWe evaluated the outcomes of pregnancy in women with congenital heart disease (CHD) and their offspring in Taiwan. We also investigated how different severity levels may influence the outcomes.MethodsWe used data (2009-2017) from the Birth Certificate Application database in Taiwan, which is linked to the National Health Insurance Research Database and Taiwan Maternal and Child Health Database. We identified 2990 women with CHD who had 4227 births. Based on the CHD subtypes, patients were further divided into "severe CHD" and "simple CHD" groups.ResultsWomen with CHD have a significant risk of stillbirth. In maternal cardiac events, they had the highest risk of heart failure, followed by arrhythmia. The severity of CHD had a significant effect on the outcomes as well. The neonatal birth event that mothers with CHD have the highest risk of is preterm birth at < 32 weeks of gestation. The prominent difference in neonatal morbidities between mothers with severe and simple CHD is recurrent CHD in the offspring. The offspring of the severe CHD group had a higher risk of severe CHD, whereas those of the simple CHD group had a higher risk of simple CHD.ConclusionDuring pregnancy, the monitoring of heart function and cardiac rhythm could be more intensive in mothers with CHD. In addition to accurately assessing fetal growth and development during antenatal care, mothers with severe CHD should be provided with careful fetal heart structure assessment and genetic testing along with counseling.Copyright © 2024 Formosan Medical Association. Published by Elsevier B.V. All rights reserved.

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