All of the following statements about Patent Ductus Aeriosus (PDA) are true, except:
Patent Ductus Aeriosus is more common in females than males. Ref: Harrison 17th Edition, Page 1461; O P Ghai 6th Edition, Page 406; Nelson 18th Edition, Page 1859, 1879, 1891
It is more common in males than females
It is a common hea lesion in rubella
Treatment is closure of defect by ligation and division of ductus
Hypoxia and immaturity are impoant in maintaining the patency