Why the study?
What is the natural history of fetal arrhythmias from intrauterine to early extrauterine life?
Population
29 fetuses between 18 and 41 weeks gestation, including 23 with premature contractions and 6 with complete…
Design
Cohort
Follow-up
From 18-41 weeks gestation to early postnatal period
Authors
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Supports expectant monitoring for fetal premature contractions; leaves open prognosis and management of complete AV block in larger cohorts.
What is the natural history of fetal arrhythmias from intrauterine to early extrauterine life?
Fetal premature contractions often resolve spontaneously before or shortly after birth, whereas complete atrioventricular block persists into postnatal life.
Koyanagi et al. (1989) studied this question.
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