Pregnancy outcome in women with atrial septal defect: associated with in vitro fertilisation and pre-eclampsia

Sebastian Udholm, Louise Udholm, Camilla Nyboe, Ulrik Schiøler Kesmodel, Vibeke Elisabeth Hjortdal

Abstract

Objective: To investigate in vitro fertilisation (IVF) in women with atrial septal defect (ASD), and to examine the maternal characteristics and outcome of pregnancy, as well as the fetal outcome of infants born by women with ASD.

Methods: We used population-based registries in this nationwide cohort study, including Danish individuals born before 1994 who received an ASD diagnosis between 1959 and 2014. Patients were compared with a random reference sample (ratio of 10 citizens per patient) matched by sex and age. The Danish Medical Birth Register (DMBR) contains data on all pregnancies and births in Denmark from 1977 to present. Risk of IVF treatment as well as maternal, pregnancy and fetal outcomes were compared.

Results: A total of 2277 Danish patients had a validated ASD diagnosis. Of these, 310 women were identified in the DMBR. Women with ASD had an increased risk of receiving IVF treatment (HR 3.14, 95% CI 2.1 to 4.7, p<0.0001), and a higher proportion of patients received IVF treatment when compared with the reference cohort (10.6% vs 3.2%; p<0.001). Furthermore, patients had more multiple births. Looking at singleton pregnancies (n=519), pre-eclampsia occurred more frequently in patients with ASD during pregnancy (6.7% vs 2.3%; p<0.001). Infants from mothers with ASD were found to have perinatal outcomes comparable to those of infants from the reference group.

Conclusion: Women with ASD had an increased risk of and received more IVF treatment than the reference group. The outcome of pregnancy in these patients were generally uneventful, however, we did confirm that pre-eclampsia occurred more frequently.

OriginalsprogEngelsk
TidsskriftOpen Heart
Vol/bind6
Udgave nummer2
Sider (fra-til)e001148
ISSN2053-3624
DOI
StatusUdgivet - 2019

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