{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,26]],"date-time":"2026-03-26T03:34:16Z","timestamp":1774496056075,"version":"3.50.1"},"reference-count":38,"publisher":"Cambridge University Press (CUP)","issue":"7","license":[{"start":{"date-parts":[[2014,10,2]],"date-time":"2014-10-02T00:00:00Z","timestamp":1412208000000},"content-version":"unspecified","delay-in-days":0,"URL":"https:\/\/www.cambridge.org\/core\/terms"}],"content-domain":{"domain":["journals.cambridge.org"],"crossmark-restriction":true},"short-container-title":["Cardiol Young"],"published-print":{"date-parts":[[2015,10]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p><jats:italic>Objectives:<\/jats:italic>This study tested whether mothers with maternal hypothyroidism have increased odds of CHD in their offspring, and examined the relationship between CHD, maternal thyroid function, and nausea and vomiting in pregnancy.<jats:italic>Background:<\/jats:italic>Maternal hypothyroidism increases the risk for foetal demise and prematurity and can have a negative impact on neurodevelopment. Prior studies have postulated a relationship between maternal thyroid function, CHD, and maternal nausea and vomiting in pregnancy.<jats:italic>Methods:<\/jats:italic>A cross-sectional case\u2013control study was conducted over a 17-month period to obtain a history of maternal thyroid status and nausea and vomiting in pregnancy. Paediatric echocardiograms were evaluated for CHD by a blinded paediatric cardiologist. Logistic regression analysis was performed to examine the association between CHD and maternal hypothyroidism.<jats:italic>Results:<\/jats:italic>Of the 998 maternal\u2013child pairs, 10% (98\/998) of the mothers reported a history of prenatal hypothyroidism. The overall prevalence of CHD in the study sample was 63% (630\/998). Mothers with a history of hypothyroidism were significantly more likely to have offspring with CHD compared with mothers without a history of hypothyroidism (72 versus 62%; p=0.04). The adjusted odds ratio (95% confidence interval) of CHD in offspring associated with reported maternal hypothyroidism was 1.68 (1.02\u20132.78).<jats:italic>Conclusion:<\/jats:italic>This study suggests that maternal hypothyroidism is a risk factor for the development of CHD. Further prospective investigations are necessary to confirm this association and delineate pathogenic mechanisms.<\/jats:p>","DOI":"10.1017\/s1047951114001887","type":"journal-article","created":{"date-parts":[[2014,10,2]],"date-time":"2014-10-02T14:22:13Z","timestamp":1412259733000},"page":"1247-1253","update-policy":"https:\/\/doi.org\/10.1017\/policypage","source":"Crossref","is-referenced-by-count":27,"title":["Maternal hypothyroidism may be associated with CHD in offspring"],"prefix":"10.1017","volume":"25","author":[{"given":"Michael J","family":"Grattan","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Daina S","family":"Thomas","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Lisa K.","family":"Hornberger","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Robert 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