Heart Development

Question 1

what heart defect is more common in females 2:1?

Answer 1

atrial septal defects (ostium II most common)

Question 2

what heart defect is more common in males 4:1?

Answer 2

aortic valvular stenosis

Question 3

fusion between what two structures result in closing of the foramen ovale?

Answer 3

septum primum and septum secundum