… is needed and remains open due to the hypoxic fetal environment and by prostaglandins E2
(… rates of ductus closure with post-natal age and higher spontaneous closure rates in studies …

… and postnatal loss rates, mainly due to terminations of pregnancy and spontaneous demise
… arteries and pulmonary blood supply through ductal or aortopulmonary collateral vessels. …

… ultrasound and postpartum diagnosis in our hospital, and … the early diagnosis of fetal ductus
arteriosus premature diagnosis, … However, the cause of spontaneous fetal ductus arteriosus …

… infants would have spontaneous ductal closure by 1 year of life… identify factors that were
predictive of spontaneous closure. … Two of the infants who died in our study were diagnosed with …

… Baby was spontaneously delivered at term with 3 Kg weight and 8,9 Apgar score. Diagnosis
was … Spontaneous ductal closure was confirmed by tomography image 7 then cardiac …

… Spontaneous vaginal delivery and postnatal echo were recommended. The pregnancy … of
life showed complete resolution of the DAA with spontaneous patent ductal arteriosus closure. …

… and diagnosed with a patent ductus arteriosus between 1 … collected, information about
maternal, perinatal, and neonatal … 72 h after birth showed subsequent spontaneous closure. Half …

… ) diagnosis of premature contraction of fetal ductus arteriosus … spontaneous premature
contraction of fetal ductus arteriosus … required respiratory support after birth significantly increased…

… prenatally diagnosed with ductus arteriosus anomalies and evaluated after delivery were …
Ductus closure completed spontaneously in the remaining 8 babies during first month of …

… Notably, the median age for initial diagnosis of PDA has … of antenatal steroids and postnatal
hydrocortisone, type of … less spontaneous closure and more failure of pharmacological …