Linked from

The 12 pages that link to Fetal circulation, each with the reason it gives.

• Congenital heart defectRelated: Its temporary openings normally change or close after birth, revealing some defects.

• Pulmonary circulationCompared with: Its shunts redirect blood because fetal gas exchange occurs through the placenta.

• Blood circulationBroader topic: Its shunts redirect blood because fetal lungs do not yet oxygenate blood.

• Patent ductus arteriosusNarrower topic: The ductus is one of the pathways that directs blood around the fetal lungs.

• Ventricular septal defectRelated: Ventricular septal formation occurs while fetal circulation is developing.

• FetusBroader topic: These shunts direct blood around lungs that are not yet used for breathing.

• Umbilical cordNarrower topic: The cord’s vessels form the fetal circulation’s link to the placenta.

• Congenital diaphragmatic herniaRelated: Birth requires rapid circulatory changes that may fail when lung vessels are abnormal.

• Hypoplastic left heart syndromeNarrower topic: The fetal ductus arteriosus and foramen ovale help sustain circulation before birth.

• Tricuspid atresiaNarrower topic: Its normal openings help explain how the defect can be tolerated before birth.

• Embryonic structuresRelated: Its temporary vessels are embryonic or fetal structures that change at birth.

• Transposition of the Great VesselsNarrower topic: Fetal connections normally provide routes for mixing before newborn circulation changes.