Premature Closure of the Ductus Arteriosus in an Otherwise Healthy Fetus

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Abstract
Premature closure of the ductus arteriosus is a rare phenomenon. It is thought to be caused by one of three things: abnormal levels of produced and circulating prostaglandin, maternal ingestion of prostaglandin synthase inhibitors, or it can be idiopathic. Idiopathic premature closure of the ductus arteriosus, not caused by maternal exposure to nonsteroidal anti-inflammatory drugs, is an uncommon event that can cause increased pressure on the right ventricle, resulting in pulmonary hypertension. If left untreated, it can result in fetal death.