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Premature constriction of the ductus arteriosus accompanied by the dilation of the pulmonary trunk constitutes a rare congenital heart anomaly that may be underestimated and can result in fetal hydrops and ultimately death if not treated; therefore, it necessitates fetal post-mortem evaluation in all cases of legal abortion or fetal death.
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Mohadeseh et al. (2026) studied this question.
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